18404638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42407}}^1$

素因数の和:42447

約数の個数: 16

約数和(自身を含む): 32569344

約数和(自身を除く): 14164706

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 42407, 84814, 296849, 593698, 1314617, 2629234, 9202319, 18404638]

約数ペア:

[(1, 18404638), (2, 9202319), (7, 2629234), (14, 1314617), (31, 593698), (62, 296849), (217, 84814), (434, 42407)]