18772403

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 21573216

約数和(自身を除く): 2800813

約数列:

[1, 13, 17, 173, 221, 491, 2249, 2941, 6383, 8347, 38233, 84943, 108511, 1104259, 1444031, 18772403]

約数ペア:

[(1, 18772403), (13, 1444031), (17, 1104259), (173, 108511), (221, 84943), (491, 38233), (2249, 8347), (2941, 6383)]