19666605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1193}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 36221184

約数和(自身を除く): 16554579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 471, 785, 1099, 1193, 2355, 3297, 3579, 5495, 5965, 8351, 16485, 17895, 25053, 41755, 125265, 187301, 561903, 936505, 1311107, 2809515, 3933321, 6555535, 19666605]

約数ペア:

[(1, 19666605), (3, 6555535), (5, 3933321), (7, 2809515), (15, 1311107), (21, 936505), (35, 561903), (105, 187301), (157, 125265), (471, 41755), (785, 25053), (1099, 17895), (1193, 16485), (2355, 8351), (3297, 5965), (3579, 5495)]