19963490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105071}}^1$

素因数の和:105097

約数の個数: 16

約数和(自身を含む): 37825920

約数和(自身を除く): 17862430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 105071, 210142, 525355, 1050710, 1996349, 3992698, 9981745, 19963490]

約数ペア:

[(1, 19963490), (2, 9981745), (5, 3992698), (10, 1996349), (19, 1050710), (38, 525355), (95, 210142), (190, 105071)]