18689104

素因数分解:

$2^4\times 7^1\times {\mathrm{166867}}^1$

素因数の和:166882

約数の個数: 20

約数和(自身を含む): 41383264

約数和(自身を除く): 22694160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 166867, 333734, 667468, 1168069, 1334936, 2336138, 2669872, 4672276, 9344552, 18689104]

約数ペア:

[(1, 18689104), (2, 9344552), (4, 4672276), (7, 2669872), (8, 2336138), (14, 1334936), (16, 1168069), (28, 667468), (56, 333734), (112, 166867)]