20180648

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{18413}}^1$

素因数の和:18556

約数の個数: 16

約数和(自身を含む): 38116980

約数和(自身を除く): 17936332

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 18413, 36826, 73652, 147304, 2522581, 5045162, 10090324, 20180648]

約数ペア:

[(1, 20180648), (2, 10090324), (4, 5045162), (8, 2522581), (137, 147304), (274, 73652), (548, 36826), (1096, 18413)]