18516994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{937}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 28601496

約数和(自身を除く): 10084502

約数列:

[1, 2, 41, 82, 241, 482, 937, 1874, 9881, 19762, 38417, 76834, 225817, 451634, 9258497, 18516994]

約数ペア:

[(1, 18516994), (2, 9258497), (41, 451634), (82, 225817), (241, 76834), (482, 38417), (937, 19762), (1874, 9881)]