19620508

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3583}}^1$

素因数の和:3661

約数の個数: 18

約数和(自身を含む): 35298816

約数和(自身を除く): 15678308

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3583, 5476, 7166, 14332, 132571, 265142, 530284, 4905127, 9810254, 19620508]

約数ペア:

[(1, 19620508), (2, 9810254), (4, 4905127), (37, 530284), (74, 265142), (148, 132571), (1369, 14332), (2738, 7166), (3583, 5476)]