1639643912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{10787131}}^1$

素因数の和:10787156

約数の個数: 16

約数和(自身を含む): 3236139600

約数和(自身を除く): 1596495688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 10787131, 21574262, 43148524, 86297048, 204955489, 409910978, 819821956, 1639643912]

約数ペア:

[(1, 1639643912), (2, 819821956), (4, 409910978), (8, 204955489), (19, 86297048), (38, 43148524), (76, 21574262), (152, 10787131)]