18800729

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 20632320

約数和(自身を除く): 1831591

約数列:

[1, 23, 29, 71, 397, 667, 1633, 2059, 9131, 11513, 28187, 47357, 264799, 648301, 817423, 18800729]

約数ペア:

[(1, 18800729), (23, 817423), (29, 648301), (71, 264799), (397, 47357), (667, 28187), (1633, 11513), (2059, 9131)]