18810909

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3801

約数の個数: 24

約数和(自身を含む): 29949920

約数和(自身を除く): 11139011

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 3739, 5031, 11217, 33651, 48607, 145821, 160777, 437463, 482331, 1446993, 2090101, 6270303, 18810909]

約数ペア:

[(1, 18810909), (3, 6270303), (9, 2090101), (13, 1446993), (39, 482331), (43, 437463), (117, 160777), (129, 145821), (387, 48607), (559, 33651), (1677, 11217), (3739, 5031)]