19228869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4577

約数の個数: 24

約数和(自身を含む): 31011552

約数和(自身を除く): 11782683

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4517, 13551, 40653, 49687, 149061, 194231, 447183, 582693, 1748079, 2136541, 6409623, 19228869]

約数ペア:

[(1, 19228869), (3, 6409623), (9, 2136541), (11, 1748079), (33, 582693), (43, 447183), (99, 194231), (129, 149061), (387, 49687), (473, 40653), (1419, 13551), (4257, 4517)]