18391581

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 28793856

約数和(自身を除く): 10402275

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 823, 1719, 2469, 2483, 7407, 7449, 10699, 22347, 32097, 96291, 157193, 471579, 1414737, 2043509, 6130527, 18391581]

約数ペア:

[(1, 18391581), (3, 6130527), (9, 2043509), (13, 1414737), (39, 471579), (117, 157193), (191, 96291), (573, 32097), (823, 22347), (1719, 10699), (2469, 7449), (2483, 7407)]