18972122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10891}}^1$

素因数の和:10973

約数の個数: 16

約数和(自身を含む): 31107552

約数和(自身を除く): 12135430

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10891, 21782, 141583, 283166, 729697, 1459394, 9486061, 18972122]

約数ペア:

[(1, 18972122), (2, 9486061), (13, 1459394), (26, 729697), (67, 283166), (134, 141583), (871, 21782), (1742, 10891)]