18580947

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11491}}^1$

素因数の和:11519

約数の個数: 24

約数和(自身を含む): 31442112

約数和(自身を除く): 12861165

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11491, 34473, 80437, 126401, 241311, 379203, 563059, 884807, 1689177, 2654421, 6193649, 18580947]

約数ペア:

[(1, 18580947), (3, 6193649), (7, 2654421), (11, 1689177), (21, 884807), (33, 563059), (49, 379203), (77, 241311), (147, 126401), (231, 80437), (539, 34473), (1617, 11491)]