19885151

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 23499168

約数和(自身を除く): 3614017

約数列:

[1, 11, 13, 143, 241, 577, 2651, 3133, 6347, 7501, 34463, 82511, 139057, 1529627, 1807741, 19885151]

約数ペア:

[(1, 19885151), (11, 1807741), (13, 1529627), (143, 139057), (241, 82511), (577, 34463), (2651, 7501), (3133, 6347)]