19853390

素因数分解:

$2^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1889}}^1$

素因数の和:2947

約数の個数: 16

約数和(自身を含む): 35789040

約数和(自身を除く): 15935650

約数列:

[1, 2, 5, 10, 1051, 1889, 2102, 3778, 5255, 9445, 10510, 18890, 1985339, 3970678, 9926695, 19853390]

約数ペア:

[(1, 19853390), (2, 9926695), (5, 3970678), (10, 1985339), (1051, 18890), (1889, 10510), (2102, 9445), (3778, 5255)]