18814629

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 25717824

約数和(自身を除く): 6903195

約数列:

[1, 3, 53, 159, 241, 491, 723, 1473, 12773, 26023, 38319, 78069, 118331, 354993, 6271543, 18814629]

約数ペア:

[(1, 18814629), (3, 6271543), (53, 354993), (159, 118331), (241, 78069), (491, 38319), (723, 26023), (1473, 12773)]