18689588

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3413}}^1$

素因数の和:3491

約数の個数: 18

約数和(自身を含む): 33624486

約数和(自身を除く): 14934898

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3413, 5476, 6826, 13652, 126281, 252562, 505124, 4672397, 9344794, 18689588]

約数ペア:

[(1, 18689588), (2, 9344794), (4, 4672397), (37, 505124), (74, 252562), (148, 126281), (1369, 13652), (2738, 6826), (3413, 5476)]