18211730

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4111}}^1$

素因数の和:4561

約数の個数: 16

約数和(自身を含む): 32863104

約数和(自身を除く): 14651374

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4111, 4430, 8222, 20555, 41110, 1821173, 3642346, 9105865, 18211730]

約数ペア:

[(1, 18211730), (2, 9105865), (5, 3642346), (10, 1821173), (443, 41110), (886, 20555), (2215, 8222), (4111, 4430)]