18440018

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:841

約数の個数: 16

約数和(自身を含む): 28153440

約数和(自身を除く): 9713422

約数列:

[1, 2, 113, 139, 226, 278, 587, 1174, 15707, 31414, 66331, 81593, 132662, 163186, 9220009, 18440018]

約数ペア:

[(1, 18440018), (2, 9220009), (113, 163186), (139, 132662), (226, 81593), (278, 66331), (587, 31414), (1174, 15707)]