18961501

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 21280000

約数和(自身を除く): 2318499

約数列:

[1, 13, 37, 79, 481, 499, 1027, 2923, 6487, 18463, 37999, 39421, 240019, 512473, 1458577, 18961501]

約数ペア:

[(1, 18961501), (13, 1458577), (37, 512473), (79, 240019), (481, 39421), (499, 37999), (1027, 18463), (2923, 6487)]