18946845

素因数分解:

$3^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14921955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 293, 479, 879, 1437, 1465, 2395, 2637, 4311, 4395, 7185, 7911, 12933, 13185, 21555, 39555, 64665, 140347, 421041, 701735, 1263123, 2105205, 3789369, 6315615, 18946845]

約数ペア:

[(1, 18946845), (3, 6315615), (5, 3789369), (9, 2105205), (15, 1263123), (27, 701735), (45, 421041), (135, 140347), (293, 64665), (479, 39555), (879, 21555), (1437, 13185), (1465, 12933), (2395, 7911), (2637, 7185), (4311, 4395)]