18785385

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 33598080

約数和(自身を除く): 14812695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 613, 681, 1135, 1839, 2043, 3065, 3405, 5517, 6129, 9195, 10215, 16551, 27585, 30645, 82755, 139151, 417453, 695755, 1252359, 2087265, 3757077, 6261795, 18785385]

約数ペア:

[(1, 18785385), (3, 6261795), (5, 3757077), (9, 2087265), (15, 1252359), (27, 695755), (45, 417453), (135, 139151), (227, 82755), (613, 30645), (681, 27585), (1135, 16551), (1839, 10215), (2043, 9195), (3065, 6129), (3405, 5517)]