18504655

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 24507360

約数和(自身を除く): 6002705

約数列:

[1, 5, 13, 61, 65, 169, 305, 359, 793, 845, 1795, 3965, 4667, 10309, 21899, 23335, 51545, 60671, 109495, 284687, 303355, 1423435, 3700931, 18504655]

約数ペア:

[(1, 18504655), (5, 3700931), (13, 1423435), (61, 303355), (65, 284687), (169, 109495), (305, 60671), (359, 51545), (793, 23335), (845, 21899), (1795, 10309), (3965, 4667)]