19802563

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2699}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 3525437

約数列:

[1, 11, 23, 29, 253, 319, 667, 2699, 7337, 29689, 62077, 78271, 682847, 860981, 1800233, 19802563]

約数ペア:

[(1, 19802563), (11, 1800233), (23, 860981), (29, 682847), (253, 78271), (319, 62077), (667, 29689), (2699, 7337)]