19521351

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 30320640

約数和(自身を除く): 10799289

約数列:

[1, 3, 9, 27, 31, 83, 93, 249, 279, 281, 747, 837, 843, 2241, 2529, 2573, 7587, 7719, 8711, 23157, 23323, 26133, 69471, 69969, 78399, 209907, 235197, 629721, 723013, 2169039, 6507117, 19521351]

約数ペア:

[(1, 19521351), (3, 6507117), (9, 2169039), (27, 723013), (31, 629721), (83, 235197), (93, 209907), (249, 78399), (279, 69969), (281, 69471), (747, 26133), (837, 23323), (843, 23157), (2241, 8711), (2529, 7719), (2573, 7587)]