19553979

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5347}}^1$

素因数の和:5426

約数の個数: 16

約数和(自身を含む): 27724032

約数和(自身を除く): 8170053

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5347, 16041, 122981, 283391, 368943, 850173, 6517993, 19553979]

約数ペア:

[(1, 19553979), (3, 6517993), (23, 850173), (53, 368943), (69, 283391), (159, 122981), (1219, 16041), (3657, 5347)]