18247804

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{5639}}^1$

素因数の和:6452

約数の個数: 12

約数和(自身を含む): 31978800

約数和(自身を除く): 13730996

約数列:

[1, 2, 4, 809, 1618, 3236, 5639, 11278, 22556, 4561951, 9123902, 18247804]

約数ペア:

[(1, 18247804), (2, 9123902), (4, 4561951), (809, 22556), (1618, 11278), (3236, 5639)]