18504945

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2377}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 32274216

約数和(自身を除く): 13769271

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2377, 2595, 7131, 7785, 11885, 21393, 35655, 106965, 411221, 1233663, 2056105, 3700989, 6168315, 18504945]

約数ペア:

[(1, 18504945), (3, 6168315), (5, 3700989), (9, 2056105), (15, 1233663), (45, 411221), (173, 106965), (519, 35655), (865, 21393), (1557, 11885), (2377, 7785), (2595, 7131)]