18480693

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 31536960

約数和(自身を除く): 13056267

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1039, 1617, 2541, 3117, 5929, 7273, 11429, 17787, 21819, 34287, 50911, 80003, 125719, 152733, 240009, 377157, 560021, 880033, 1680063, 2640099, 6160231, 18480693]

約数ペア:

[(1, 18480693), (3, 6160231), (7, 2640099), (11, 1680063), (21, 880033), (33, 560021), (49, 377157), (77, 240009), (121, 152733), (147, 125719), (231, 80003), (363, 50911), (539, 34287), (847, 21819), (1039, 17787), (1617, 11429), (2541, 7273), (3117, 5929)]