18340688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67429}}^1$

素因数の和:67454

約数の個数: 20

約数和(自身を含む): 37625940

約数和(自身を除く): 19285252

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67429, 134858, 269716, 539432, 1078864, 1146293, 2292586, 4585172, 9170344, 18340688]

約数ペア:

[(1, 18340688), (2, 9170344), (4, 4585172), (8, 2292586), (16, 1146293), (17, 1078864), (34, 539432), (68, 269716), (136, 134858), (272, 67429)]