18868256

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{443}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 40951008

約数和(自身を除く): 22082752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 443, 484, 886, 968, 1331, 1772, 1936, 2662, 3544, 3872, 4873, 5324, 7088, 9746, 10648, 14176, 19492, 21296, 38984, 42592, 53603, 77968, 107206, 155936, 214412, 428824, 589633, 857648, 1179266, 1715296, 2358532, 4717064, 9434128, 18868256]

約数ペア:

[(1, 18868256), (2, 9434128), (4, 4717064), (8, 2358532), (11, 1715296), (16, 1179266), (22, 857648), (32, 589633), (44, 428824), (88, 214412), (121, 155936), (176, 107206), (242, 77968), (352, 53603), (443, 42592), (484, 38984), (886, 21296), (968, 19492), (1331, 14176), (1772, 10648), (1936, 9746), (2662, 7088), (3544, 5324), (3872, 4873)]