18728505

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2179}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 32647680

約数和(自身を除く): 13919175

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2179, 2865, 6537, 8595, 10895, 19611, 32685, 98055, 416189, 1248567, 2080945, 3745701, 6242835, 18728505]

約数ペア:

[(1, 18728505), (3, 6242835), (5, 3745701), (9, 2080945), (15, 1248567), (45, 416189), (191, 98055), (573, 32685), (955, 19611), (1719, 10895), (2179, 8595), (2865, 6537)]