20181854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4519}}^1$

素因数の和:4568

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 18870946

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4519, 9038, 31633, 49709, 63266, 99418, 131051, 262102, 347963, 695926, 917357, 1441561, 1834714, 2883122, 10090927, 20181854]

約数ペア:

[(1, 20181854), (2, 10090927), (7, 2883122), (11, 1834714), (14, 1441561), (22, 917357), (29, 695926), (58, 347963), (77, 262102), (154, 131051), (203, 99418), (319, 63266), (406, 49709), (638, 31633), (2233, 9038), (4466, 4519)]