18708129

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1871}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 29787264

約数和(自身を除く): 11079135

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 1871, 3333, 5613, 9999, 16839, 20581, 61743, 185229, 188971, 566913, 1700739, 2078681, 6236043, 18708129]

約数ペア:

[(1, 18708129), (3, 6236043), (9, 2078681), (11, 1700739), (33, 566913), (99, 188971), (101, 185229), (303, 61743), (909, 20581), (1111, 16839), (1871, 9999), (3333, 5613)]