19531899

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 29676192

約数和(自身を除く): 10144293

約数列:

[1, 3, 9, 23, 69, 157, 207, 471, 601, 1413, 1803, 3611, 5409, 10833, 13823, 32499, 41469, 94357, 124407, 283071, 849213, 2170211, 6510633, 19531899]

約数ペア:

[(1, 19531899), (3, 6510633), (9, 2170211), (23, 849213), (69, 283071), (157, 124407), (207, 94357), (471, 41469), (601, 32499), (1413, 13823), (1803, 10833), (3611, 5409)]