19885670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40583}}^1$

素因数の和:40604

約数の個数: 24

約数和(自身を含む): 41639184

約数和(自身を除く): 21753514

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40583, 81166, 202915, 284081, 405830, 568162, 1420405, 1988567, 2840810, 3977134, 9942835, 19885670]

約数ペア:

[(1, 19885670), (2, 9942835), (5, 3977134), (7, 2840810), (10, 1988567), (14, 1420405), (35, 568162), (49, 405830), (70, 284081), (98, 202915), (245, 81166), (490, 40583)]