18626794

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 28388808

約数和(自身を除く): 9762014

約数列:

[1, 2, 137, 157, 274, 314, 433, 866, 21509, 43018, 59321, 67981, 118642, 135962, 9313397, 18626794]

約数ペア:

[(1, 18626794), (2, 9313397), (137, 135962), (157, 118642), (274, 67981), (314, 59321), (433, 43018), (866, 21509)]