19514963

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 22407840

約数和(自身を除く): 2892877

約数列:

[1, 13, 17, 221, 227, 389, 2951, 3859, 5057, 6613, 50167, 85969, 88303, 1147939, 1501151, 19514963]

約数ペア:

[(1, 19514963), (13, 1501151), (17, 1147939), (221, 88303), (227, 85969), (389, 50167), (2951, 6613), (3859, 5057)]