9901940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13381}}^1$

素因数の和:13427

約数の個数: 24

約数和(自身を含む): 21357672

約数和(自身を除く): 11455732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 13381, 26762, 53524, 66905, 133810, 267620, 495097, 990194, 1980388, 2475485, 4950970, 9901940]

約数ペア:

[(1, 9901940), (2, 4950970), (4, 2475485), (5, 1980388), (10, 990194), (20, 495097), (37, 267620), (74, 133810), (148, 66905), (185, 53524), (370, 26762), (740, 13381)]