19508020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139343}}^1$

素因数の和:139359

約数の個数: 24

約数和(自身を含む): 46819584

約数和(自身を除く): 27311564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139343, 278686, 557372, 696715, 975401, 1393430, 1950802, 2786860, 3901604, 4877005, 9754010, 19508020]

約数ペア:

[(1, 19508020), (2, 9754010), (4, 4877005), (5, 3901604), (7, 2786860), (10, 1950802), (14, 1393430), (20, 975401), (28, 696715), (35, 557372), (70, 278686), (140, 139343)]