19902218

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3209}}^1$

素因数の和:3661

約数の個数: 16

約数和(自身を含む): 34205760

約数和(自身を除く): 14303542

約数列:

[1, 2, 7, 14, 443, 886, 3101, 3209, 6202, 6418, 22463, 44926, 1421587, 2843174, 9951109, 19902218]

約数ペア:

[(1, 19902218), (2, 9951109), (7, 2843174), (14, 1421587), (443, 44926), (886, 22463), (3101, 6418), (3209, 6202)]