18678828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{222367}}^1$

素因数の和:222381

約数の個数: 24

約数和(自身を含む): 49810432

約数和(自身を除く): 31131604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 222367, 444734, 667101, 889468, 1334202, 1556569, 2668404, 3113138, 4669707, 6226276, 9339414, 18678828]

約数ペア:

[(1, 18678828), (2, 9339414), (3, 6226276), (4, 4669707), (6, 3113138), (7, 2668404), (12, 1556569), (14, 1334202), (21, 889468), (28, 667101), (42, 444734), (84, 222367)]