18800415

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13477}}^1$

素因数の和:13519

約数の個数: 24

約数和(自身を含む): 33641088

約数和(自身を除く): 14840673

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13477, 40431, 67385, 121293, 202155, 417787, 606465, 1253361, 2088935, 3760083, 6266805, 18800415]

約数ペア:

[(1, 18800415), (3, 6266805), (5, 3760083), (9, 2088935), (15, 1253361), (31, 606465), (45, 417787), (93, 202155), (155, 121293), (279, 67385), (465, 40431), (1395, 13477)]