19907323

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 21849696

約数和(自身を除く): 1942373

約数列:

[1, 17, 43, 113, 241, 731, 1921, 4097, 4859, 10363, 27233, 82603, 176171, 462961, 1171019, 19907323]

約数ペア:

[(1, 19907323), (17, 1171019), (43, 462961), (113, 176171), (241, 82603), (731, 27233), (1921, 10363), (4097, 4859)]