19031386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2179}}^1$

素因数の和:2589

約数の個数: 16

約数和(自身を含む): 31235040

約数和(自身を除く): 12203654

約数列:

[1, 2, 11, 22, 397, 794, 2179, 4358, 4367, 8734, 23969, 47938, 865063, 1730126, 9515693, 19031386]

約数ペア:

[(1, 19031386), (2, 9515693), (11, 1730126), (22, 865063), (397, 47938), (794, 23969), (2179, 8734), (4358, 4367)]