18711271

素因数分解:

${\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 20412000

約数和(自身を除く): 1700729

約数列:

[1, 17, 83, 89, 149, 1411, 1513, 2533, 7387, 12367, 13261, 125579, 210239, 225437, 1100663, 18711271]

約数ペア:

[(1, 18711271), (17, 1100663), (83, 225437), (89, 210239), (149, 125579), (1411, 13261), (1513, 12367), (2533, 7387)]