18682017

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 25482240

約数和(自身を除く): 6800223

約数列:

[1, 3, 71, 139, 213, 417, 631, 1893, 9869, 29607, 44801, 87709, 134403, 263127, 6227339, 18682017]

約数ペア:

[(1, 18682017), (3, 6227339), (71, 263127), (139, 134403), (213, 87709), (417, 44801), (631, 29607), (1893, 9869)]