18918848

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{22739}}^1$

素因数の和:22764

約数の個数: 28

約数和(自身を含む): 40431720

約数和(自身を除く): 21512872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 22739, 45478, 90956, 181912, 295607, 363824, 591214, 727648, 1182428, 1455296, 2364856, 4729712, 9459424, 18918848]

約数ペア:

[(1, 18918848), (2, 9459424), (4, 4729712), (8, 2364856), (13, 1455296), (16, 1182428), (26, 727648), (32, 591214), (52, 363824), (64, 295607), (104, 181912), (208, 90956), (416, 45478), (832, 22739)]