18471831

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1307}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 28210944

約数和(自身を除く): 9739113

約数列:

[1, 3, 7, 21, 673, 1307, 2019, 3921, 4711, 9149, 14133, 27447, 879611, 2638833, 6157277, 18471831]

約数ペア:

[(1, 18471831), (3, 6157277), (7, 2638833), (21, 879611), (673, 27447), (1307, 14133), (2019, 9149), (3921, 4711)]