18814620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1035

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 40697700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 983, 1276, 1595, 1740, 1914, 1966, 2949, 3190, 3828, 3932, 4785, 4915, 5898, 6380, 9570, 9830, 10813, 11796, 14745, 19140, 19660, 21626, 28507, 29490, 32439, 43252, 54065, 57014, 58980, 64878, 85521, 108130, 114028, 129756, 142535, 162195, 171042, 216260, 285070, 313577, 324390, 342084, 427605, 570140, 627154, 648780, 855210, 940731, 1254308, 1567885, 1710420, 1881462, 3135770, 3762924, 4703655, 6271540, 9407310, 18814620]

約数ペア:

[(1, 18814620), (2, 9407310), (3, 6271540), (4, 4703655), (5, 3762924), (6, 3135770), (10, 1881462), (11, 1710420), (12, 1567885), (15, 1254308), (20, 940731), (22, 855210), (29, 648780), (30, 627154), (33, 570140), (44, 427605), (55, 342084), (58, 324390), (60, 313577), (66, 285070), (87, 216260), (110, 171042), (116, 162195), (132, 142535), (145, 129756), (165, 114028), (174, 108130), (220, 85521), (290, 64878), (319, 58980), (330, 57014), (348, 54065), (435, 43252), (580, 32439), (638, 29490), (660, 28507), (870, 21626), (957, 19660), (983, 19140), (1276, 14745), (1595, 11796), (1740, 10813), (1914, 9830), (1966, 9570), (2949, 6380), (3190, 5898), (3828, 4915), (3932, 4785)]