18791780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134227}}^1$

素因数の和:134243

約数の個数: 24

約数和(自身を含む): 45100608

約数和(自身を除く): 26308828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134227, 268454, 536908, 671135, 939589, 1342270, 1879178, 2684540, 3758356, 4697945, 9395890, 18791780]

約数ペア:

[(1, 18791780), (2, 9395890), (4, 4697945), (5, 3758356), (7, 2684540), (10, 1879178), (14, 1342270), (20, 939589), (28, 671135), (35, 536908), (70, 268454), (140, 134227)]