17985440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{929}}^1$

素因数の和:966

約数の個数: 72

約数和(自身を含む): 46754820

約数和(自身を除く): 28769380

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 929, 968, 1210, 1760, 1858, 1936, 2420, 3716, 3872, 4645, 4840, 7432, 9290, 9680, 10219, 14864, 18580, 19360, 20438, 29728, 37160, 40876, 51095, 74320, 81752, 102190, 112409, 148640, 163504, 204380, 224818, 327008, 408760, 449636, 562045, 817520, 899272, 1124090, 1635040, 1798544, 2248180, 3597088, 4496360, 8992720, 17985440]

約数ペア:

[(1, 17985440), (2, 8992720), (4, 4496360), (5, 3597088), (8, 2248180), (10, 1798544), (11, 1635040), (16, 1124090), (20, 899272), (22, 817520), (32, 562045), (40, 449636), (44, 408760), (55, 327008), (80, 224818), (88, 204380), (110, 163504), (121, 148640), (160, 112409), (176, 102190), (220, 81752), (242, 74320), (352, 51095), (440, 40876), (484, 37160), (605, 29728), (880, 20438), (929, 19360), (968, 18580), (1210, 14864), (1760, 10219), (1858, 9680), (1936, 9290), (2420, 7432), (3716, 4840), (3872, 4645)]