19493322640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 240

約数和(自身を含む): 51168475008

約数和(自身を除く): 31675152368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 113, 121, 142, 176, 220, 226, 242, 251, 284, 355, 440, 452, 484, 502, 565, 568, 605, 710, 781, 880, 904, 968, 1004, 1130, 1136, 1210, 1243, 1255, 1420, 1562, 1808, 1936, 2008, 2260, 2420, 2486, 2510, 2761, 2840, 3124, 3905, 4016, 4520, 4840, 4972, 5020, 5522, 5680, 6215, 6248, 7810, 8023, 8591, 9040, 9680, 9944, 10040, 11044, 12430, 12496, 13673, 13805, 15620, 16046, 17182, 17821, 19888, 20080, 22088, 24860, 27346, 27610, 28363, 30371, 31240, 32092, 34364, 35642, 40115, 42955, 44176, 49720, 54692, 55220, 56726, 60742, 62480, 64184, 68365, 68728, 71284, 80230, 85910, 88253, 89105, 99440, 109384, 110440, 113452, 121484, 128368, 136730, 137456, 141815, 142568, 151855, 160460, 171820, 176506, 178210, 196031, 218768, 220880, 226904, 242968, 273460, 283630, 285136, 303710, 311993, 320920, 343640, 353012, 356420, 392062, 441265, 453808, 485936, 546920, 567260, 607420, 623986, 641840, 687280, 706024, 712840, 784124, 882530, 970783, 980155, 1093840, 1134520, 1214840, 1247972, 1412048, 1425680, 1559965, 1568248, 1765060, 1941566, 1960310, 2013773, 2156341, 2269040, 2429680, 2495944, 3119930, 3136496, 3431923, 3530120, 3883132, 3920620, 4027546, 4312682, 4853915, 4991888, 6239860, 6863846, 7060240, 7766264, 7841240, 8055092, 8625364, 9707830, 10068865, 10781705, 12479720, 13727692, 15532528, 15682480, 16110184, 17159615, 17250728, 19415660, 20137730, 21563410, 22151503, 24959440, 27455384, 32220368, 34319230, 34501456, 38831320, 40275460, 43126820, 44303006, 54910768, 68638460, 77662640, 80550920, 86253640, 88606012, 110757515, 137276920, 161101840, 172507280, 177212024, 221515030, 243666533, 274553840, 354424048, 443030060, 487333066, 886060120, 974666132, 1218332665, 1772120240, 1949332264, 2436665330, 3898664528, 4873330660, 9746661320, 19493322640]

約数ペア:

[(1, 19493322640), (2, 9746661320), (4, 4873330660), (5, 3898664528), (8, 2436665330), (10, 1949332264), (11, 1772120240), (16, 1218332665), (20, 974666132), (22, 886060120), (40, 487333066), (44, 443030060), (55, 354424048), (71, 274553840), (80, 243666533), (88, 221515030), (110, 177212024), (113, 172507280), (121, 161101840), (142, 137276920), (176, 110757515), (220, 88606012), (226, 86253640), (242, 80550920), (251, 77662640), (284, 68638460), (355, 54910768), (440, 44303006), (452, 43126820), (484, 40275460), (502, 38831320), (565, 34501456), (568, 34319230), (605, 32220368), (710, 27455384), (781, 24959440), (880, 22151503), (904, 21563410), (968, 20137730), (1004, 19415660), (1130, 17250728), (1136, 17159615), (1210, 16110184), (1243, 15682480), (1255, 15532528), (1420, 13727692), (1562, 12479720), (1808, 10781705), (1936, 10068865), (2008, 9707830), (2260, 8625364), (2420, 8055092), (2486, 7841240), (2510, 7766264), (2761, 7060240), (2840, 6863846), (3124, 6239860), (3905, 4991888), (4016, 4853915), (4520, 4312682), (4840, 4027546), (4972, 3920620), (5020, 3883132), (5522, 3530120), (5680, 3431923), (6215, 3136496), (6248, 3119930), (7810, 2495944), (8023, 2429680), (8591, 2269040), (9040, 2156341), (9680, 2013773), (9944, 1960310), (10040, 1941566), (11044, 1765060), (12430, 1568248), (12496, 1559965), (13673, 1425680), (13805, 1412048), (15620, 1247972), (16046, 1214840), (17182, 1134520), (17821, 1093840), (19888, 980155), (20080, 970783), (22088, 882530), (24860, 784124), (27346, 712840), (27610, 706024), (28363, 687280), (30371, 641840), (31240, 623986), (32092, 607420), (34364, 567260), (35642, 546920), (40115, 485936), (42955, 453808), (44176, 441265), (49720, 392062), (54692, 356420), (55220, 353012), (56726, 343640), (60742, 320920), (62480, 311993), (64184, 303710), (68365, 285136), (68728, 283630), (71284, 273460), (80230, 242968), (85910, 226904), (88253, 220880), (89105, 218768), (99440, 196031), (109384, 178210), (110440, 176506), (113452, 171820), (121484, 160460), (128368, 151855), (136730, 142568), (137456, 141815)]