19627971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 10128189

約数列:

[1, 3, 11, 33, 41, 89, 123, 163, 267, 451, 489, 979, 1353, 1793, 2937, 3649, 5379, 6683, 10947, 14507, 20049, 40139, 43521, 73513, 120417, 159577, 220539, 478731, 594787, 1784361, 6542657, 19627971]

約数ペア:

[(1, 19627971), (3, 6542657), (11, 1784361), (33, 594787), (41, 478731), (89, 220539), (123, 159577), (163, 120417), (267, 73513), (451, 43521), (489, 40139), (979, 20049), (1353, 14507), (1793, 10947), (2937, 6683), (3649, 5379)]