19893723

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12583}}^1$

素因数の和:12634

約数の個数: 16

約数和(自身を含む): 28993536

約数和(自身を除く): 9099813

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12583, 37749, 213911, 390073, 641733, 1170219, 6631241, 19893723]

約数ペア:

[(1, 19893723), (3, 6631241), (17, 1170219), (31, 641733), (51, 390073), (93, 213911), (527, 37749), (1581, 12583)]