18498987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 29453424

約数和(自身を除く): 10954437

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 3677, 5031, 11031, 33093, 47801, 143403, 158111, 430209, 474333, 1422999, 2055443, 6166329, 18498987]

約数ペア:

[(1, 18498987), (3, 6166329), (9, 2055443), (13, 1422999), (39, 474333), (43, 430209), (117, 158111), (129, 143403), (387, 47801), (559, 33093), (1677, 11031), (3677, 5031)]