18756478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15349}}^1$

素因数の和:15411

約数の個数: 16

約数和(自身を含む): 30945600

約数和(自身を除く): 12189122

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15349, 30698, 199537, 399074, 721403, 1442806, 9378239, 18756478]

約数ペア:

[(1, 18756478), (2, 9378239), (13, 1442806), (26, 721403), (47, 399074), (94, 199537), (611, 30698), (1222, 15349)]