19010979

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 30831840

約数和(自身を除く): 11820861

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 431, 507, 1131, 1293, 1521, 3393, 3879, 4901, 5603, 12499, 14703, 16809, 37497, 44109, 50427, 72839, 112491, 162487, 218517, 487461, 655551, 1462383, 2112331, 6336993, 19010979]

約数ペア:

[(1, 19010979), (3, 6336993), (9, 2112331), (13, 1462383), (29, 655551), (39, 487461), (87, 218517), (117, 162487), (169, 112491), (261, 72839), (377, 50427), (431, 44109), (507, 37497), (1131, 16809), (1293, 14703), (1521, 12499), (3393, 5603), (3879, 4901)]