19065980

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1087}}^1$

素因数の和:1973

約数の個数: 24

約数和(自身を含む): 40121088

約数和(自身を除く): 21055108

約数列:

[1, 2, 4, 5, 10, 20, 877, 1087, 1754, 2174, 3508, 4348, 4385, 5435, 8770, 10870, 17540, 21740, 953299, 1906598, 3813196, 4766495, 9532990, 19065980]

約数ペア:

[(1, 19065980), (2, 9532990), (4, 4766495), (5, 3813196), (10, 1906598), (20, 953299), (877, 21740), (1087, 17540), (1754, 10870), (2174, 8770), (3508, 5435), (4348, 4385)]