18865221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{733}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 26353536

約数和(自身を除く): 7488315

約数列:

[1, 3, 23, 69, 373, 733, 1119, 2199, 8579, 16859, 25737, 50577, 273409, 820227, 6288407, 18865221]

約数ペア:

[(1, 18865221), (3, 6288407), (23, 820227), (69, 273409), (373, 50577), (733, 25737), (1119, 16859), (2199, 8579)]