18340144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67427}}^1$

素因数の和:67452

約数の個数: 20

約数和(自身を含む): 37624824

約数和(自身を除く): 19284680

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67427, 134854, 269708, 539416, 1078832, 1146259, 2292518, 4585036, 9170072, 18340144]

約数ペア:

[(1, 18340144), (2, 9170072), (4, 4585036), (8, 2292518), (16, 1146259), (17, 1078832), (34, 539416), (68, 269708), (136, 134854), (272, 67427)]