18502416

素因数分解:

$2^4\times 3^2\times {\mathrm{128489}}^1$

素因数の和:128503

約数の個数: 30

約数和(自身を含む): 51781470

約数和(自身を除く): 33279054

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 128489, 256978, 385467, 513956, 770934, 1027912, 1156401, 1541868, 2055824, 2312802, 3083736, 4625604, 6167472, 9251208, 18502416]

約数ペア:

[(1, 18502416), (2, 9251208), (3, 6167472), (4, 4625604), (6, 3083736), (8, 2312802), (9, 2055824), (12, 1541868), (16, 1156401), (18, 1027912), (24, 770934), (36, 513956), (48, 385467), (72, 256978), (144, 128489)]