18658420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84811}}^1$

素因数の和:84831

約数の個数: 24

約数和(自身を含む): 42745248

約数和(自身を除く): 24086828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84811, 169622, 339244, 424055, 848110, 932921, 1696220, 1865842, 3731684, 4664605, 9329210, 18658420]

約数ペア:

[(1, 18658420), (2, 9329210), (4, 4664605), (5, 3731684), (10, 1865842), (11, 1696220), (20, 932921), (22, 848110), (44, 424055), (55, 339244), (110, 169622), (220, 84811)]