18231778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 11835422

約数列:

[1, 2, 23, 29, 46, 58, 79, 158, 173, 346, 667, 1334, 1817, 2291, 3634, 3979, 4582, 5017, 7958, 10034, 13667, 27334, 52693, 105386, 115391, 230782, 314341, 396343, 628682, 792686, 9115889, 18231778]

約数ペア:

[(1, 18231778), (2, 9115889), (23, 792686), (29, 628682), (46, 396343), (58, 314341), (79, 230782), (158, 115391), (173, 105386), (346, 52693), (667, 27334), (1334, 13667), (1817, 10034), (2291, 7958), (3634, 5017), (3979, 4582)]