1881972620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8554421}}^1$

素因数の和:8554441

約数の個数: 24

約数和(自身を含む): 4311428688

約数和(自身を除く): 2429456068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8554421, 17108842, 34217684, 42772105, 85544210, 94098631, 171088420, 188197262, 376394524, 470493155, 940986310, 1881972620]

約数ペア:

[(1, 1881972620), (2, 940986310), (4, 470493155), (5, 376394524), (10, 188197262), (11, 171088420), (20, 94098631), (22, 85544210), (44, 42772105), (55, 34217684), (110, 17108842), (220, 8554421)]