18616241

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 22846464

約数和(自身を除く): 4230223

約数列:

[1, 7, 17, 73, 119, 511, 1241, 2143, 8687, 15001, 36431, 156439, 255017, 1095073, 2659463, 18616241]

約数ペア:

[(1, 18616241), (7, 2659463), (17, 1095073), (73, 255017), (119, 156439), (511, 36431), (1241, 15001), (2143, 8687)]