18679472

素因数分解:

$2^4\times 7^1\times {\mathrm{166781}}^1$

素因数の和:166796

約数の個数: 20

約数和(自身を含む): 41361936

約数和(自身を除く): 22682464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 166781, 333562, 667124, 1167467, 1334248, 2334934, 2668496, 4669868, 9339736, 18679472]

約数ペア:

[(1, 18679472), (2, 9339736), (4, 4669868), (7, 2668496), (8, 2334934), (14, 1334248), (16, 1167467), (28, 667124), (56, 333562), (112, 166781)]