18765340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85297}}^1$

素因数の和:85317

約数の個数: 24

約数和(自身を含む): 42990192

約数和(自身を除く): 24224852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85297, 170594, 341188, 426485, 852970, 938267, 1705940, 1876534, 3753068, 4691335, 9382670, 18765340]

約数ペア:

[(1, 18765340), (2, 9382670), (4, 4691335), (5, 3753068), (10, 1876534), (11, 1705940), (20, 938267), (22, 852970), (44, 426485), (55, 341188), (110, 170594), (220, 85297)]