19189197

素因数分解:

$3^3\times {\mathrm{61}}^2\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 29053440

約数和(自身を除く): 9864243

約数列:

[1, 3, 9, 27, 61, 183, 191, 549, 573, 1647, 1719, 3721, 5157, 11163, 11651, 33489, 34953, 100467, 104859, 314577, 710711, 2132133, 6396399, 19189197]

約数ペア:

[(1, 19189197), (3, 6396399), (9, 2132133), (27, 710711), (61, 314577), (183, 104859), (191, 100467), (549, 34953), (573, 33489), (1647, 11651), (1719, 11163), (3721, 5157)]