18977027589

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3772019}}^1$

素因数の和:3772081

約数の個数: 24

約数和(自身を含む): 30206336160

約数和(自身を除く): 11229308571

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 3772019, 11316057, 33948171, 49036247, 147108741, 162196817, 441326223, 486590451, 1459771353, 2108558621, 6325675863, 18977027589]

約数ペア:

[(1, 18977027589), (3, 6325675863), (9, 2108558621), (13, 1459771353), (39, 486590451), (43, 441326223), (117, 162196817), (129, 147108741), (387, 49036247), (559, 33948171), (1677, 11316057), (5031, 3772019)]