19993203

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6553}}^1$

素因数の和:6675

約数の個数: 16

約数和(自身を含む): 29886240

約数和(自身を除く): 9893037

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6553, 19659, 58977, 176931, 740489, 2221467, 6664401, 19993203]

約数ペア:

[(1, 19993203), (3, 6664401), (9, 2221467), (27, 740489), (113, 176931), (339, 58977), (1017, 19659), (3051, 6553)]