18727059

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 27698880

約数和(自身を除く): 8971821

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 859, 1677, 2577, 7267, 11167, 21801, 33501, 36937, 110811, 145171, 435513, 480181, 1440543, 6242353, 18727059]

約数ペア:

[(1, 18727059), (3, 6242353), (13, 1440543), (39, 480181), (43, 435513), (129, 145171), (169, 110811), (507, 36937), (559, 33501), (859, 21801), (1677, 11167), (2577, 7267)]