18425355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 32289600

約数和(自身を除く): 13864245

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1549, 2379, 3965, 4647, 7745, 11895, 20137, 23235, 60411, 94489, 100685, 283467, 302055, 472445, 1228357, 1417335, 3685071, 6141785, 18425355]

約数ペア:

[(1, 18425355), (3, 6141785), (5, 3685071), (13, 1417335), (15, 1228357), (39, 472445), (61, 302055), (65, 283467), (183, 100685), (195, 94489), (305, 60411), (793, 23235), (915, 20137), (1549, 11895), (2379, 7745), (3965, 4647)]