18787873

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 21603456

約数和(自身を除く): 2815583

約数列:

[1, 13, 17, 151, 221, 563, 1963, 2567, 7319, 9571, 33371, 85013, 124423, 1105169, 1445221, 18787873]

約数ペア:

[(1, 18787873), (13, 1445221), (17, 1105169), (151, 124423), (221, 85013), (563, 33371), (1963, 9571), (2567, 7319)]