19236217

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 26038208

約数和(自身を除く): 6801991

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 1747, 11011, 12229, 19217, 22711, 134519, 158977, 211387, 249821, 1479709, 1748747, 2748031, 19236217]

約数ペア:

[(1, 19236217), (7, 2748031), (11, 1748747), (13, 1479709), (77, 249821), (91, 211387), (121, 158977), (143, 134519), (847, 22711), (1001, 19217), (1573, 12229), (1747, 11011)]