19500495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{811}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 35857920

約数和(自身を除く): 16357425

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 811, 1145, 1603, 2433, 3435, 4055, 4809, 5677, 8015, 12165, 17031, 24045, 28385, 85155, 185719, 557157, 928595, 1300033, 2785785, 3900099, 6500165, 19500495]

約数ペア:

[(1, 19500495), (3, 6500165), (5, 3900099), (7, 2785785), (15, 1300033), (21, 928595), (35, 557157), (105, 185719), (229, 85155), (687, 28385), (811, 24045), (1145, 17031), (1603, 12165), (2433, 8015), (3435, 5677), (4055, 4809)]