17988190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3803}}^1$

素因数の和:3864

約数の個数: 32

約数和(自身を含む): 36153216

約数和(自身を除く): 18165026

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 3803, 4730, 7606, 19015, 38030, 41833, 83666, 163529, 209165, 327058, 418330, 817645, 1635290, 1798819, 3597638, 8994095, 17988190]

約数ペア:

[(1, 17988190), (2, 8994095), (5, 3597638), (10, 1798819), (11, 1635290), (22, 817645), (43, 418330), (55, 327058), (86, 209165), (110, 163529), (215, 83666), (430, 41833), (473, 38030), (946, 19015), (2365, 7606), (3803, 4730)]