18980359

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 1548281

約数列:

[1, 23, 59, 71, 197, 1357, 1633, 4189, 4531, 11623, 13987, 96347, 267329, 321701, 825233, 18980359]

約数ペア:

[(1, 18980359), (23, 825233), (59, 321701), (71, 267329), (197, 96347), (1357, 13987), (1633, 11623), (4189, 4531)]