18742518

素因数分解:

$2^1\times 3^2\times {\mathrm{739}}^1\times {\mathrm{1409}}^1$

素因数の和:2156

約数の個数: 24

約数和(自身を含む): 40692600

約数和(自身を除く): 21950082

約数列:

[1, 2, 3, 6, 9, 18, 739, 1409, 1478, 2217, 2818, 4227, 4434, 6651, 8454, 12681, 13302, 25362, 1041251, 2082502, 3123753, 6247506, 9371259, 18742518]

約数ペア:

[(1, 18742518), (2, 9371259), (3, 6247506), (6, 3123753), (9, 2082502), (18, 1041251), (739, 25362), (1409, 13302), (1478, 12681), (2217, 8454), (2818, 6651), (4227, 4434)]