19949742

素因数分解:

$2^1\times 3^2\times {\mathrm{839}}^1\times {\mathrm{1321}}^1$

素因数の和:2168

約数の個数: 24

約数和(自身を含む): 43308720

約数和(自身を除く): 23358978

約数列:

[1, 2, 3, 6, 9, 18, 839, 1321, 1678, 2517, 2642, 3963, 5034, 7551, 7926, 11889, 15102, 23778, 1108319, 2216638, 3324957, 6649914, 9974871, 19949742]

約数ペア:

[(1, 19949742), (2, 9974871), (3, 6649914), (6, 3324957), (9, 2216638), (18, 1108319), (839, 23778), (1321, 15102), (1678, 11889), (2517, 7926), (2642, 7551), (3963, 5034)]