18241605

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 33201432

約数和(自身を除く): 14959827

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 617, 657, 1095, 1851, 1971, 3085, 3285, 5553, 5913, 9255, 9855, 16659, 27765, 29565, 45041, 49977, 83295, 135123, 225205, 249885, 405369, 675615, 1216107, 2026845, 3648321, 6080535, 18241605]

約数ペア:

[(1, 18241605), (3, 6080535), (5, 3648321), (9, 2026845), (15, 1216107), (27, 675615), (45, 405369), (73, 249885), (81, 225205), (135, 135123), (219, 83295), (365, 49977), (405, 45041), (617, 29565), (657, 27765), (1095, 16659), (1851, 9855), (1971, 9255), (3085, 5913), (3285, 5553)]