19993238

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5651}}^1$

素因数の和:5743

約数の個数: 16

約数和(自身を含む): 31538160

約数和(自身を除く): 11544922

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 5651, 11302, 163879, 327758, 344711, 689422, 9996619, 19993238]

約数ペア:

[(1, 19993238), (2, 9996619), (29, 689422), (58, 344711), (61, 327758), (122, 163879), (1769, 11302), (3538, 5651)]