18121936

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 40354560

約数和(自身を除く): 22232624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 677, 956, 1354, 1673, 1912, 2708, 3346, 3824, 4739, 5416, 6692, 9478, 10832, 13384, 18956, 26768, 37912, 75824, 161803, 323606, 647212, 1132621, 1294424, 2265242, 2588848, 4530484, 9060968, 18121936]

約数ペア:

[(1, 18121936), (2, 9060968), (4, 4530484), (7, 2588848), (8, 2265242), (14, 1294424), (16, 1132621), (28, 647212), (56, 323606), (112, 161803), (239, 75824), (478, 37912), (677, 26768), (956, 18956), (1354, 13384), (1673, 10832), (1912, 9478), (2708, 6692), (3346, 5416), (3824, 4739)]