19838278

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2039

約数の個数: 16

約数和(自身を含む): 30618000

約数和(自身を除く): 10779722

約数列:

[1, 2, 59, 89, 118, 178, 1889, 3778, 5251, 10502, 111451, 168121, 222902, 336242, 9919139, 19838278]

約数ペア:

[(1, 19838278), (2, 9919139), (59, 336242), (89, 222902), (118, 168121), (178, 111451), (1889, 10502), (3778, 5251)]