18980491791

素因数分解:

$3^1\times {\mathrm{397}}^1\times {\mathrm{2503}}^1\times {\mathrm{6367}}^1$

素因数の和:9270

約数の個数: 16

約数和(自身を含む): 25385191424

約数和(自身を除く): 6404699633

約数列:

[1, 3, 397, 1191, 2503, 6367, 7509, 19101, 993691, 2527699, 2981073, 7583097, 15936601, 47809803, 6326830597, 18980491791]

約数ペア:

[(1, 18980491791), (3, 6326830597), (397, 47809803), (1191, 15936601), (2503, 7583097), (6367, 2981073), (7509, 2527699), (19101, 993691)]