19669389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5657}}^1$

素因数の和:5740

約数の個数: 16

約数和(自身を含む): 28063680

約数和(自身を除く): 8394291

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5657, 16971, 107483, 322449, 345077, 1035231, 6556463, 19669389]

約数ペア:

[(1, 19669389), (3, 6556463), (19, 1035231), (57, 345077), (61, 322449), (183, 107483), (1159, 16971), (3477, 5657)]