18629618

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{19861}}^1$

素因数の和:19937

約数の個数: 16

約数和(自身を含む): 32414784

約数和(自身を除く): 13785166

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 19861, 39722, 139027, 278054, 1330687, 2661374, 9314809, 18629618]

約数ペア:

[(1, 18629618), (2, 9314809), (7, 2661374), (14, 1330687), (67, 278054), (134, 139027), (469, 39722), (938, 19861)]