18489795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 13858365

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2339, 2635, 7017, 7905, 11695, 35085, 39763, 72509, 119289, 198815, 217527, 362545, 596445, 1087635, 1232653, 3697959, 6163265, 18489795]

約数ペア:

[(1, 18489795), (3, 6163265), (5, 3697959), (15, 1232653), (17, 1087635), (31, 596445), (51, 362545), (85, 217527), (93, 198815), (155, 119289), (255, 72509), (465, 39763), (527, 35085), (1581, 11695), (2339, 7905), (2635, 7017)]