18818120

素因数分解:

$2^3\times 5^1\times {\mathrm{470453}}^1$

素因数の和:470464

約数の個数: 16

約数和(自身を含む): 42340860

約数和(自身を除く): 23522740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470453, 940906, 1881812, 2352265, 3763624, 4704530, 9409060, 18818120]

約数ペア:

[(1, 18818120), (2, 9409060), (4, 4704530), (5, 3763624), (8, 2352265), (10, 1881812), (20, 940906), (40, 470453)]