19287163

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2742

約数の個数: 16

約数和(自身を含む): 23730624

約数和(自身を除く): 4443461

約数列:

[1, 7, 17, 61, 119, 427, 1037, 2657, 7259, 18599, 45169, 162077, 316183, 1134539, 2755309, 19287163]

約数ペア:

[(1, 19287163), (7, 2755309), (17, 1134539), (61, 316183), (119, 162077), (427, 45169), (1037, 18599), (2657, 7259)]