18788979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13241}}^1$

素因数の和:13298

約数の個数: 16

約数和(自身を含む): 27967104

約数和(自身を除く): 9178125

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13241, 39723, 145651, 436953, 569363, 1708089, 6262993, 18788979]

約数ペア:

[(1, 18788979), (3, 6262993), (11, 1708089), (33, 569363), (43, 436953), (129, 145651), (473, 39723), (1419, 13241)]