17861140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4273}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 43081920

約数和(自身を除く): 25220780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4273, 8546, 17092, 21365, 42730, 47003, 81187, 85460, 94006, 162374, 188012, 235015, 324748, 405935, 470030, 811870, 893057, 940060, 1623740, 1786114, 3572228, 4465285, 8930570, 17861140]

約数ペア:

[(1, 17861140), (2, 8930570), (4, 4465285), (5, 3572228), (10, 1786114), (11, 1623740), (19, 940060), (20, 893057), (22, 811870), (38, 470030), (44, 405935), (55, 324748), (76, 235015), (95, 188012), (110, 162374), (190, 94006), (209, 85460), (220, 81187), (380, 47003), (418, 42730), (836, 21365), (1045, 17092), (2090, 8546), (4180, 4273)]