18716434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 32679936

約数和(自身を除く): 13963502

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 253, 506, 517, 787, 1034, 1081, 1574, 2162, 8657, 11891, 17314, 18101, 23782, 36202, 36989, 73978, 199111, 398222, 406879, 813758, 850747, 1701494, 9358217, 18716434]

約数ペア:

[(1, 18716434), (2, 9358217), (11, 1701494), (22, 850747), (23, 813758), (46, 406879), (47, 398222), (94, 199111), (253, 73978), (506, 36989), (517, 36202), (787, 23782), (1034, 18101), (1081, 17314), (1574, 11891), (2162, 8657)]