18768860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85313}}^1$

素因数の和:85333

約数の個数: 24

約数和(自身を含む): 42998256

約数和(自身を除く): 24229396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85313, 170626, 341252, 426565, 853130, 938443, 1706260, 1876886, 3753772, 4692215, 9384430, 18768860]

約数ペア:

[(1, 18768860), (2, 9384430), (4, 4692215), (5, 3753772), (10, 1876886), (11, 1706260), (20, 938443), (22, 853130), (44, 426565), (55, 341252), (110, 170626), (220, 85313)]