19657418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2854

約数の個数: 24

約数和(自身を含む): 33539940

約数和(自身を除く): 13882522

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 2801, 3509, 5602, 7018, 30811, 61622, 81229, 162458, 338921, 677842, 893519, 1787038, 9828709, 19657418]

約数ペア:

[(1, 19657418), (2, 9828709), (11, 1787038), (22, 893519), (29, 677842), (58, 338921), (121, 162458), (242, 81229), (319, 61622), (638, 30811), (2801, 7018), (3509, 5602)]