18871346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15443}}^1$

素因数の和:15505

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 12263758

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15443, 30886, 200759, 401518, 725821, 1451642, 9435673, 18871346]

約数ペア:

[(1, 18871346), (2, 9435673), (13, 1451642), (26, 725821), (47, 401518), (94, 200759), (611, 30886), (1222, 15443)]