18998055

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{953}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 33038928

約数和(自身を除く): 14040873

約数列:

[1, 3, 5, 9, 15, 45, 443, 953, 1329, 2215, 2859, 3987, 4765, 6645, 8577, 14295, 19935, 42885, 422179, 1266537, 2110895, 3799611, 6332685, 18998055]

約数ペア:

[(1, 18998055), (3, 6332685), (5, 3799611), (9, 2110895), (15, 1266537), (45, 422179), (443, 42885), (953, 19935), (1329, 14295), (2215, 8577), (2859, 6645), (3987, 4765)]