19544360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 49135680

約数和(自身を除く): 29591320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1033, 1720, 1892, 2066, 2365, 3784, 4132, 4730, 5165, 8264, 9460, 10330, 11363, 18920, 20660, 22726, 41320, 44419, 45452, 56815, 88838, 90904, 113630, 177676, 222095, 227260, 355352, 444190, 454520, 488609, 888380, 977218, 1776760, 1954436, 2443045, 3908872, 4886090, 9772180, 19544360]

約数ペア:

[(1, 19544360), (2, 9772180), (4, 4886090), (5, 3908872), (8, 2443045), (10, 1954436), (11, 1776760), (20, 977218), (22, 888380), (40, 488609), (43, 454520), (44, 444190), (55, 355352), (86, 227260), (88, 222095), (110, 177676), (172, 113630), (215, 90904), (220, 88838), (344, 56815), (430, 45452), (440, 44419), (473, 41320), (860, 22726), (946, 20660), (1033, 18920), (1720, 11363), (1892, 10330), (2066, 9460), (2365, 8264), (3784, 5165), (4132, 4730)]