18629907

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3658

約数の個数: 16

約数和(自身を含む): 26061312

約数和(自身を除く): 7431405

約数列:

[1, 3, 37, 47, 111, 141, 1739, 3571, 5217, 10713, 132127, 167837, 396381, 503511, 6209969, 18629907]

約数ペア:

[(1, 18629907), (3, 6209969), (37, 503511), (47, 396381), (111, 167837), (141, 132127), (1739, 10713), (3571, 5217)]