15813620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16823}}^1$

素因数の和:16879

約数の個数: 24

約数和(自身を含む): 33917184

約数和(自身を除く): 18103564

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 16823, 33646, 67292, 84115, 168230, 336460, 790681, 1581362, 3162724, 3953405, 7906810, 15813620]

約数ペア:

[(1, 15813620), (2, 7906810), (4, 3953405), (5, 3162724), (10, 1581362), (20, 790681), (47, 336460), (94, 168230), (188, 84115), (235, 67292), (470, 33646), (940, 16823)]