18016395

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 12223605

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 435, 499, 1245, 1497, 2407, 2495, 7221, 7485, 12035, 14471, 36105, 41417, 43413, 72355, 124251, 207085, 217065, 621255, 1201093, 3603279, 6005465, 18016395]

約数ペア:

[(1, 18016395), (3, 6005465), (5, 3603279), (15, 1201093), (29, 621255), (83, 217065), (87, 207085), (145, 124251), (249, 72355), (415, 43413), (435, 41417), (499, 36105), (1245, 14471), (1497, 12035), (2407, 7485), (2495, 7221)]