19899565

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12097}}^1$

素因数の和:12156

約数の個数: 16

約数和(自身を含む): 27873792

約数和(自身を除く): 7974227

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12097, 60485, 84679, 423395, 568559, 2842795, 3979913, 19899565]

約数ペア:

[(1, 19899565), (5, 3979913), (7, 2842795), (35, 568559), (47, 423395), (235, 84679), (329, 60485), (1645, 12097)]