18383420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83561}}^1$

素因数の和:83581

約数の個数: 24

約数和(自身を含む): 42115248

約数和(自身を除く): 23731828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83561, 167122, 334244, 417805, 835610, 919171, 1671220, 1838342, 3676684, 4595855, 9191710, 18383420]

約数ペア:

[(1, 18383420), (2, 9191710), (4, 4595855), (5, 3676684), (10, 1838342), (11, 1671220), (20, 919171), (22, 835610), (44, 417805), (55, 334244), (110, 167122), (220, 83561)]