18180656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87407}}^1$

素因数の和:87428

約数の個数: 20

約数和(自身を含む): 37935072

約数和(自身を除く): 19754416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87407, 174814, 349628, 699256, 1136291, 1398512, 2272582, 4545164, 9090328, 18180656]

約数ペア:

[(1, 18180656), (2, 9090328), (4, 4545164), (8, 2272582), (13, 1398512), (16, 1136291), (26, 699256), (52, 349628), (104, 174814), (208, 87407)]