19702713

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 26822016

約数和(自身を除く): 7119303

約数列:

[1, 3, 71, 213, 233, 397, 699, 1191, 16543, 28187, 49629, 84561, 92501, 277503, 6567571, 19702713]

約数ペア:

[(1, 19702713), (3, 6567571), (71, 277503), (213, 92501), (233, 84561), (397, 49629), (699, 28187), (1191, 16543)]