18852435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 37791936

約数和(自身を除く): 18939501

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 97, 105, 291, 315, 485, 617, 679, 873, 1455, 1851, 2037, 3085, 3395, 4319, 4365, 5553, 6111, 9255, 10185, 12957, 21595, 27765, 30555, 38871, 59849, 64785, 179547, 194355, 299245, 418943, 538641, 897735, 1256829, 2094715, 2693205, 3770487, 6284145, 18852435]

約数ペア:

[(1, 18852435), (3, 6284145), (5, 3770487), (7, 2693205), (9, 2094715), (15, 1256829), (21, 897735), (35, 538641), (45, 418943), (63, 299245), (97, 194355), (105, 179547), (291, 64785), (315, 59849), (485, 38871), (617, 30555), (679, 27765), (873, 21595), (1455, 12957), (1851, 10185), (2037, 9255), (3085, 6111), (3395, 5553), (4319, 4365)]