19393619840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{19949}}^1$

素因数の和:20013

約数の個数: 192

約数和(自身を含む): 55674864000

約数和(自身を除く): 36281244160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 640, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 3038, 3136, 3472, 3920, 3968, 4340, 4480, 4960, 6076, 6272, 6944, 7595, 7840, 8680, 9920, 12152, 13888, 15190, 15680, 17360, 19840, 19949, 24304, 27776, 30380, 31360, 34720, 39898, 48608, 60760, 69440, 79796, 97216, 99745, 121520, 138880, 139643, 159592, 194432, 199490, 243040, 279286, 319184, 398980, 486080, 558572, 618419, 638368, 698215, 797960, 972160, 977501, 1117144, 1236838, 1276736, 1396430, 1595920, 1955002, 2234288, 2473676, 2553472, 2792860, 3092095, 3191840, 3910004, 4328933, 4468576, 4887505, 4947352, 5585720, 6184190, 6383680, 7820008, 8657866, 8937152, 9775010, 9894704, 11171440, 12368380, 12767360, 15640016, 17315732, 17874304, 19550020, 19789408, 21644665, 22342880, 24736760, 30302531, 31280032, 34631464, 39100040, 39578816, 43289330, 44685760, 49473520, 60605062, 62560064, 69262928, 78200080, 79157632, 86578660, 89371520, 98947040, 121210124, 125120128, 138525856, 151512655, 156400160, 173157320, 197894080, 242420248, 277051712, 303025310, 312800320, 346314640, 395788160, 484840496, 554103424, 606050620, 625600640, 692629280, 969680992, 1212101240, 1385258560, 1939361984, 2424202480, 2770517120, 3878723968, 4848404960, 9696809920, 19393619840]

約数ペア:

[(1, 19393619840), (2, 9696809920), (4, 4848404960), (5, 3878723968), (7, 2770517120), (8, 2424202480), (10, 1939361984), (14, 1385258560), (16, 1212101240), (20, 969680992), (28, 692629280), (31, 625600640), (32, 606050620), (35, 554103424), (40, 484840496), (49, 395788160), (56, 346314640), (62, 312800320), (64, 303025310), (70, 277051712), (80, 242420248), (98, 197894080), (112, 173157320), (124, 156400160), (128, 151512655), (140, 138525856), (155, 125120128), (160, 121210124), (196, 98947040), (217, 89371520), (224, 86578660), (245, 79157632), (248, 78200080), (280, 69262928), (310, 62560064), (320, 60605062), (392, 49473520), (434, 44685760), (448, 43289330), (490, 39578816), (496, 39100040), (560, 34631464), (620, 31280032), (640, 30302531), (784, 24736760), (868, 22342880), (896, 21644665), (980, 19789408), (992, 19550020), (1085, 17874304), (1120, 17315732), (1240, 15640016), (1519, 12767360), (1568, 12368380), (1736, 11171440), (1960, 9894704), (1984, 9775010), (2170, 8937152), (2240, 8657866), (2480, 7820008), (3038, 6383680), (3136, 6184190), (3472, 5585720), (3920, 4947352), (3968, 4887505), (4340, 4468576), (4480, 4328933), (4960, 3910004), (6076, 3191840), (6272, 3092095), (6944, 2792860), (7595, 2553472), (7840, 2473676), (8680, 2234288), (9920, 1955002), (12152, 1595920), (13888, 1396430), (15190, 1276736), (15680, 1236838), (17360, 1117144), (19840, 977501), (19949, 972160), (24304, 797960), (27776, 698215), (30380, 638368), (31360, 618419), (34720, 558572), (39898, 486080), (48608, 398980), (60760, 319184), (69440, 279286), (79796, 243040), (97216, 199490), (99745, 194432), (121520, 159592), (138880, 139643)]