18740115

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6827}}^1$

素因数の和:6899

約数の個数: 24

約数和(自身を含む): 33020208

約数和(自身を除く): 14280093

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 6827, 20481, 34135, 61443, 102405, 307215, 416447, 1249341, 2082235, 3748023, 6246705, 18740115]

約数ペア:

[(1, 18740115), (3, 6246705), (5, 3748023), (9, 2082235), (15, 1249341), (45, 416447), (61, 307215), (183, 102405), (305, 61443), (549, 34135), (915, 20481), (2745, 6827)]