19924867

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21887712

約数和(自身を除く): 1962845

約数列:

[1, 17, 43, 97, 281, 731, 1649, 4171, 4777, 12083, 27257, 70907, 205411, 463369, 1172051, 19924867]

約数ペア:

[(1, 19924867), (17, 1172051), (43, 463369), (97, 205411), (281, 70907), (731, 27257), (1649, 12083), (4171, 4777)]