18821193

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3449}}^1$

素因数の和:3576

約数の個数: 16

約数和(自身を含む): 26827200

約数和(自身を除く): 8006007

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3449, 5457, 10347, 58633, 175899, 369043, 1107129, 6273731, 18821193]

約数ペア:

[(1, 18821193), (3, 6273731), (17, 1107129), (51, 369043), (107, 175899), (321, 58633), (1819, 10347), (3449, 5457)]