18331870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27361}}^1$

素因数の和:27435

約数の個数: 16

約数和(自身を含む): 33491088

約数和(自身を除く): 15159218

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 27361, 54722, 136805, 273610, 1833187, 3666374, 9165935, 18331870]

約数ペア:

[(1, 18331870), (2, 9165935), (5, 3666374), (10, 1833187), (67, 273610), (134, 136805), (335, 54722), (670, 27361)]