18666706

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 28690200

約数和(自身を除く): 10023494

約数列:

[1, 2, 53, 106, 229, 458, 769, 1538, 12137, 24274, 40757, 81514, 176101, 352202, 9333353, 18666706]

約数ペア:

[(1, 18666706), (2, 9333353), (53, 352202), (106, 176101), (229, 81514), (458, 40757), (769, 24274), (1538, 12137)]