19195440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 120

約数和(自身を含む): 65506224

約数和(自身を除く): 46310784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 661, 726, 880, 968, 1210, 1320, 1322, 1452, 1815, 1936, 1983, 2420, 2640, 2644, 2904, 3305, 3630, 3966, 4840, 5288, 5808, 6610, 7260, 7271, 7932, 9680, 9915, 10576, 13220, 14520, 14542, 15864, 19830, 21813, 26440, 29040, 29084, 31728, 36355, 39660, 43626, 52880, 58168, 72710, 79320, 79981, 87252, 109065, 116336, 145420, 158640, 159962, 174504, 218130, 239943, 290840, 319924, 349008, 399905, 436260, 479886, 581680, 639848, 799810, 872520, 959772, 1199715, 1279696, 1599620, 1745040, 1919544, 2399430, 3199240, 3839088, 4798860, 6398480, 9597720, 19195440]

約数ペア:

[(1, 19195440), (2, 9597720), (3, 6398480), (4, 4798860), (5, 3839088), (6, 3199240), (8, 2399430), (10, 1919544), (11, 1745040), (12, 1599620), (15, 1279696), (16, 1199715), (20, 959772), (22, 872520), (24, 799810), (30, 639848), (33, 581680), (40, 479886), (44, 436260), (48, 399905), (55, 349008), (60, 319924), (66, 290840), (80, 239943), (88, 218130), (110, 174504), (120, 159962), (121, 158640), (132, 145420), (165, 116336), (176, 109065), (220, 87252), (240, 79981), (242, 79320), (264, 72710), (330, 58168), (363, 52880), (440, 43626), (484, 39660), (528, 36355), (605, 31728), (660, 29084), (661, 29040), (726, 26440), (880, 21813), (968, 19830), (1210, 15864), (1320, 14542), (1322, 14520), (1452, 13220), (1815, 10576), (1936, 9915), (1983, 9680), (2420, 7932), (2640, 7271), (2644, 7260), (2904, 6610), (3305, 5808), (3630, 5288), (3966, 4840)]