19400355

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2551}}^1$

素因数の和:2588

約数の個数: 36

約数和(自身を含む): 36427248

約数和(自身を除く): 17026893

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 2551, 7605, 7653, 12755, 22959, 33163, 38265, 99489, 114795, 165815, 298467, 431119, 497445, 1293357, 1492335, 2155595, 3880071, 6466785, 19400355]

約数ペア:

[(1, 19400355), (3, 6466785), (5, 3880071), (9, 2155595), (13, 1492335), (15, 1293357), (39, 497445), (45, 431119), (65, 298467), (117, 165815), (169, 114795), (195, 99489), (507, 38265), (585, 33163), (845, 22959), (1521, 12755), (2535, 7653), (2551, 7605)]