18699428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6967}}^1$

素因数の和:7043

約数の個数: 24

約数和(自身を含む): 36289344

約数和(自身を除く): 17589916

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6967, 13934, 27868, 76637, 153274, 306548, 424987, 849974, 1699948, 4674857, 9349714, 18699428]

約数ペア:

[(1, 18699428), (2, 9349714), (4, 4674857), (11, 1699948), (22, 849974), (44, 424987), (61, 306548), (122, 153274), (244, 76637), (671, 27868), (1342, 13934), (2684, 6967)]