18926709

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1801}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 26294784

約数和(自身を除く): 7368075

約数列:

[1, 3, 31, 93, 113, 339, 1801, 3503, 5403, 10509, 55831, 167493, 203513, 610539, 6308903, 18926709]

約数ペア:

[(1, 18926709), (3, 6308903), (31, 610539), (93, 203513), (113, 167493), (339, 55831), (1801, 10509), (3503, 5403)]