18404320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10457}}^1$

素因数の和:10483

約数の個数: 48

約数和(自身を含む): 47437488

約数和(自身を除く): 29033168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10457, 20914, 41828, 52285, 83656, 104570, 115027, 167312, 209140, 230054, 334624, 418280, 460108, 575135, 836560, 920216, 1150270, 1673120, 1840432, 2300540, 3680864, 4601080, 9202160, 18404320]

約数ペア:

[(1, 18404320), (2, 9202160), (4, 4601080), (5, 3680864), (8, 2300540), (10, 1840432), (11, 1673120), (16, 1150270), (20, 920216), (22, 836560), (32, 575135), (40, 460108), (44, 418280), (55, 334624), (80, 230054), (88, 209140), (110, 167312), (160, 115027), (176, 104570), (220, 83656), (352, 52285), (440, 41828), (880, 20914), (1760, 10457)]