19810141

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 22657600

約数和(自身を除く): 2847459

約数列:

[1, 13, 19, 139, 247, 577, 1807, 2641, 7501, 10963, 34333, 80203, 142519, 1042639, 1523857, 19810141]

約数ペア:

[(1, 19810141), (13, 1523857), (19, 1042639), (139, 142519), (247, 80203), (577, 34333), (1807, 10963), (2641, 7501)]