19958156968

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{6949219}}^1$

素因数の和:6949584

約数の個数: 16

約数和(自身を含む): 37525788000

約数和(自身を除く): 17567631032

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 6949219, 13898438, 27796876, 55593752, 2494769621, 4989539242, 9979078484, 19958156968]

約数ペア:

[(1, 19958156968), (2, 9979078484), (4, 4989539242), (8, 2494769621), (359, 55593752), (718, 27796876), (1436, 13898438), (2872, 6949219)]