19312447

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{151}}^2$

素因数の和:331

約数の個数: 18

約数和(自身を含む): 24421992

約数和(自身を除く): 5109545

約数列:

[1, 7, 11, 77, 121, 151, 847, 1057, 1661, 11627, 18271, 22801, 127897, 159607, 250811, 1755677, 2758921, 19312447]

約数ペア:

[(1, 19312447), (7, 2758921), (11, 1755677), (77, 250811), (121, 159607), (151, 127897), (847, 22801), (1057, 18271), (1661, 11627)]