19308339

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 29900832

約数和(自身を除く): 10592493

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2521, 2553, 7563, 7659, 22689, 57983, 93277, 173949, 279831, 521847, 839493, 2145371, 6436113, 19308339]

約数ペア:

[(1, 19308339), (3, 6436113), (9, 2145371), (23, 839493), (37, 521847), (69, 279831), (111, 173949), (207, 93277), (333, 57983), (851, 22689), (2521, 7659), (2553, 7563)]