20121696018

素因数分解:

$2^1\times 3^2\times {\mathrm{1117872001}}^1$

素因数の和:1117872009

約数の個数: 12

約数和(自身を含む): 43597008078

約数和(自身を除く): 23475312060

約数列:

[1, 2, 3, 6, 9, 18, 1117872001, 2235744002, 3353616003, 6707232006, 10060848009, 20121696018]

約数ペア:

[(1, 20121696018), (2, 10060848009), (3, 6707232006), (6, 3353616003), (9, 2235744002), (18, 1117872001)]