19954150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9281}}^1$

素因数の和:9336

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 18027794

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9281, 18562, 46405, 92810, 232025, 399083, 464050, 798166, 1995415, 3990830, 9977075, 19954150]

約数ペア:

[(1, 19954150), (2, 9977075), (5, 3990830), (10, 1995415), (25, 798166), (43, 464050), (50, 399083), (86, 232025), (215, 92810), (430, 46405), (1075, 18562), (2150, 9281)]