19873645

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 26544672

約数和(自身を除く): 6671027

約数列:

[1, 5, 11, 55, 107, 121, 307, 535, 605, 1177, 1535, 3377, 5885, 12947, 16885, 32849, 37147, 64735, 164245, 185735, 361339, 1806695, 3974729, 19873645]

約数ペア:

[(1, 19873645), (5, 3974729), (11, 1806695), (55, 361339), (107, 185735), (121, 164245), (307, 64735), (535, 37147), (605, 32849), (1177, 16885), (1535, 12947), (3377, 5885)]