20181281516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4453063}}^1$

素因数の和:4453181

約数の個数: 24

約数和(自身を含む): 38901967104

約数和(自身を除く): 18720685588

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4453063, 8906126, 17812252, 48983693, 97967386, 195934772, 458665489, 917330978, 1834661956, 5045320379, 10090640758, 20181281516]

約数ペア:

[(1, 20181281516), (2, 10090640758), (4, 5045320379), (11, 1834661956), (22, 917330978), (44, 458665489), (103, 195934772), (206, 97967386), (412, 48983693), (1133, 17812252), (2266, 8906126), (4532, 4453063)]