18645740

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1511}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 39245472

約数和(自身を除く): 20599732

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1511, 2468, 3022, 3085, 6044, 6170, 7555, 12340, 15110, 30220, 932287, 1864574, 3729148, 4661435, 9322870, 18645740]

約数ペア:

[(1, 18645740), (2, 9322870), (4, 4661435), (5, 3729148), (10, 1864574), (20, 932287), (617, 30220), (1234, 15110), (1511, 12340), (2468, 7555), (3022, 6170), (3085, 6044)]