18019239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45161}}^1$

素因数の和:45190

約数の個数: 16

約数和(自身を含む): 28903680

約数和(自身を除く): 10884441

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45161, 135483, 316127, 858059, 948381, 2574177, 6006413, 18019239]

約数ペア:

[(1, 18019239), (3, 6006413), (7, 2574177), (19, 948381), (21, 858059), (57, 316127), (133, 135483), (399, 45161)]