18817612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4409}}^1$

素因数の和:4521

約数の個数: 24

約数和(自身を含む): 36303120

約数和(自身を除く): 17485508

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4409, 8818, 17636, 48499, 96998, 193996, 427673, 855346, 1710692, 4704403, 9408806, 18817612]

約数ペア:

[(1, 18817612), (2, 9408806), (4, 4704403), (11, 1710692), (22, 855346), (44, 427673), (97, 193996), (194, 96998), (388, 48499), (1067, 17636), (2134, 8818), (4268, 4409)]