19428586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4111}}^1$

素因数の和:4269

約数の個数: 16

約数和(自身を含む): 31086720

約数和(自身を除く): 11658134

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4111, 4726, 8222, 69887, 139774, 571429, 1142858, 9714293, 19428586]

約数ペア:

[(1, 19428586), (2, 9714293), (17, 1142858), (34, 571429), (139, 139774), (278, 69887), (2363, 8222), (4111, 4726)]