19999926

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16103}}^1$

素因数の和:16137

約数の個数: 32

約数和(自身を含む): 46379520

約数和(自身を除く): 26379594

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16103, 32206, 48309, 96618, 144927, 289854, 370369, 434781, 740738, 869562, 1111107, 2222214, 3333321, 6666642, 9999963, 19999926]

約数ペア:

[(1, 19999926), (2, 9999963), (3, 6666642), (6, 3333321), (9, 2222214), (18, 1111107), (23, 869562), (27, 740738), (46, 434781), (54, 370369), (69, 289854), (138, 144927), (207, 96618), (414, 48309), (621, 32206), (1242, 16103)]