19655315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4363}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 25450848

約数和(自身を除く): 5795533

約数列:

[1, 5, 17, 53, 85, 265, 901, 4363, 4505, 21815, 74171, 231239, 370855, 1156195, 3931063, 19655315]

約数ペア:

[(1, 19655315), (5, 3931063), (17, 1156195), (53, 370855), (85, 231239), (265, 74171), (901, 21815), (4363, 4505)]