19398813

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3833}}^1$

素因数の和:4084

約数の個数: 16

約数和(自身を含む): 29690496

約数和(自身を除く): 10291683

約数列:

[1, 3, 7, 21, 241, 723, 1687, 3833, 5061, 11499, 26831, 80493, 923753, 2771259, 6466271, 19398813]

約数ペア:

[(1, 19398813), (3, 6466271), (7, 2771259), (21, 923753), (241, 80493), (723, 26831), (1687, 11499), (3833, 5061)]