12639418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1854

約数の個数: 24

約数和(自身を含む): 21569940

約数和(自身を除く): 8930522

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 1801, 3509, 3602, 7018, 19811, 39622, 52229, 104458, 217921, 435842, 574519, 1149038, 6319709, 12639418]

約数ペア:

[(1, 12639418), (2, 6319709), (11, 1149038), (22, 574519), (29, 435842), (58, 217921), (121, 104458), (242, 52229), (319, 39622), (638, 19811), (1801, 7018), (3509, 3602)]