19695940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89527}}^1$

素因数の和:89547

約数の個数: 24

約数和(自身を含む): 45122112

約数和(自身を除く): 25426172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89527, 179054, 358108, 447635, 895270, 984797, 1790540, 1969594, 3939188, 4923985, 9847970, 19695940]

約数ペア:

[(1, 19695940), (2, 9847970), (4, 4923985), (5, 3939188), (10, 1969594), (11, 1790540), (20, 984797), (22, 895270), (44, 447635), (55, 358108), (110, 179054), (220, 89527)]