19219838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3109}}^1$

素因数の和:3403

約数の個数: 16

約数和(自身を含む): 31572720

約数和(自身を除く): 12352882

約数列:

[1, 2, 11, 22, 281, 562, 3091, 3109, 6182, 6218, 34199, 68398, 873629, 1747258, 9609919, 19219838]

約数ペア:

[(1, 19219838), (2, 9609919), (11, 1747258), (22, 873629), (281, 68398), (562, 34199), (3091, 6218), (3109, 6182)]