18716949

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 29045952

約数和(自身を除く): 10329003

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1723, 3621, 5169, 10863, 15507, 29291, 87873, 122333, 263619, 366999, 1100997, 2079661, 6238983, 18716949]

約数ペア:

[(1, 18716949), (3, 6238983), (9, 2079661), (17, 1100997), (51, 366999), (71, 263619), (153, 122333), (213, 87873), (639, 29291), (1207, 15507), (1723, 10863), (3621, 5169)]