19213961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 2849143

約数列:

[1, 13, 17, 221, 227, 383, 2951, 3859, 4979, 6511, 50167, 84643, 86941, 1130233, 1477997, 19213961]

約数ペア:

[(1, 19213961), (13, 1477997), (17, 1130233), (221, 86941), (227, 84643), (383, 50167), (2951, 6511), (3859, 4979)]