18657145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15107}}^1$

素因数の和:15144

約数の個数: 16

約数和(自身を含む): 25381440

約数和(自身を除く): 6724295

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15107, 75535, 196391, 287033, 981955, 1435165, 3731429, 18657145]

約数ペア:

[(1, 18657145), (5, 3731429), (13, 1435165), (19, 981955), (65, 287033), (95, 196391), (247, 75535), (1235, 15107)]