19643449

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7177}}^1$

素因数の和:7224

約数の個数: 16

約数和(自身を含む): 24807168

約数和(自身を除く): 5163719

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7177, 50239, 122009, 165071, 854063, 1155497, 2806207, 19643449]

約数ペア:

[(1, 19643449), (7, 2806207), (17, 1155497), (23, 854063), (119, 165071), (161, 122009), (391, 50239), (2737, 7177)]