18539937

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 29015168

約数和(自身を除く): 10475231

約数列:

[1, 3, 9, 13, 39, 117, 211, 633, 751, 1899, 2253, 2743, 6759, 8229, 9763, 24687, 29289, 87867, 158461, 475383, 1426149, 2059993, 6179979, 18539937]

約数ペア:

[(1, 18539937), (3, 6179979), (9, 2059993), (13, 1426149), (39, 475383), (117, 158461), (211, 87867), (633, 29289), (751, 24687), (1899, 9763), (2253, 8229), (2743, 6759)]