19998407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1307}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 23732352

約数和(自身を除く): 3733945

約数列:

[1, 11, 13, 107, 143, 1177, 1307, 1391, 14377, 15301, 16991, 139849, 186901, 1538339, 1818037, 19998407]

約数ペア:

[(1, 19998407), (11, 1818037), (13, 1538339), (107, 186901), (143, 139849), (1177, 16991), (1307, 15301), (1391, 14377)]