19378251

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16691}}^1$

素因数の和:16743

約数の個数: 16

約数和(自身を含む): 29377920

約数和(自身を除く): 9999669

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16691, 50073, 150219, 450657, 717713, 2153139, 6459417, 19378251]

約数ペア:

[(1, 19378251), (3, 6459417), (9, 2153139), (27, 717713), (43, 450657), (129, 150219), (387, 50073), (1161, 16691)]