18053413

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 22292928

約数和(自身を除く): 4239515

約数列:

[1, 7, 23, 49, 83, 161, 193, 581, 1127, 1351, 1909, 4067, 4439, 9457, 13363, 16019, 31073, 93541, 112133, 217511, 368437, 784931, 2579059, 18053413]

約数ペア:

[(1, 18053413), (7, 2579059), (23, 784931), (49, 368437), (83, 217511), (161, 112133), (193, 93541), (581, 31073), (1127, 16019), (1351, 13363), (1909, 9457), (4067, 4439)]