18557877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4211}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 26889408

約数和(自身を除く): 8331531

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4211, 4407, 12633, 54743, 164229, 475843, 1427529, 6185959, 18557877]

約数ペア:

[(1, 18557877), (3, 6185959), (13, 1427529), (39, 475843), (113, 164229), (339, 54743), (1469, 12633), (4211, 4407)]