17969480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10957}}^1$

素因数の和:11009

約数の個数: 32

約数和(自身を含む): 41421240

約数和(自身を除く): 23451760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 10957, 21914, 43828, 54785, 87656, 109570, 219140, 438280, 449237, 898474, 1796948, 2246185, 3593896, 4492370, 8984740, 17969480]

約数ペア:

[(1, 17969480), (2, 8984740), (4, 4492370), (5, 3593896), (8, 2246185), (10, 1796948), (20, 898474), (40, 449237), (41, 438280), (82, 219140), (164, 109570), (205, 87656), (328, 54785), (410, 43828), (820, 21914), (1640, 10957)]