18292876

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 38080000

約数和(自身を除く): 19787124

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 199, 268, 343, 398, 469, 686, 796, 938, 1372, 1393, 1876, 2786, 3283, 5572, 6566, 9751, 13132, 13333, 19502, 22981, 26666, 39004, 45962, 53332, 68257, 91924, 93331, 136514, 186662, 273028, 373324, 653317, 1306634, 2613268, 4573219, 9146438, 18292876]

約数ペア:

[(1, 18292876), (2, 9146438), (4, 4573219), (7, 2613268), (14, 1306634), (28, 653317), (49, 373324), (67, 273028), (98, 186662), (134, 136514), (196, 93331), (199, 91924), (268, 68257), (343, 53332), (398, 45962), (469, 39004), (686, 26666), (796, 22981), (938, 19502), (1372, 13333), (1393, 13132), (1876, 9751), (2786, 6566), (3283, 5572)]