19292337

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 40

約数和(自身を含む): 30666240

約数和(自身を除く): 11373903

約数列:

[1, 3, 9, 27, 29, 43, 81, 87, 129, 191, 261, 387, 573, 783, 1161, 1247, 1719, 2349, 3483, 3741, 5157, 5539, 8213, 11223, 15471, 16617, 24639, 33669, 49851, 73917, 101007, 149553, 221751, 238177, 448659, 665253, 714531, 2143593, 6430779, 19292337]

約数ペア:

[(1, 19292337), (3, 6430779), (9, 2143593), (27, 714531), (29, 665253), (43, 448659), (81, 238177), (87, 221751), (129, 149553), (191, 101007), (261, 73917), (387, 49851), (573, 33669), (783, 24639), (1161, 16617), (1247, 15471), (1719, 11223), (2349, 8213), (3483, 5539), (3741, 5157)]