18891183

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 26376192

約数和(自身を除く): 7485009

約数列:

[1, 3, 31, 71, 93, 213, 2201, 2861, 6603, 8583, 88691, 203131, 266073, 609393, 6297061, 18891183]

約数ペア:

[(1, 18891183), (3, 6297061), (31, 609393), (71, 266073), (93, 203131), (213, 88691), (2201, 8583), (2861, 6603)]