18939834

素因数分解:

$2^1\times 3^2\times {\mathrm{491}}^1\times {\mathrm{2143}}^1$

素因数の和:2642

約数の個数: 24

約数和(自身を含む): 41139072

約数和(自身を除く): 22199238

約数列:

[1, 2, 3, 6, 9, 18, 491, 982, 1473, 2143, 2946, 4286, 4419, 6429, 8838, 12858, 19287, 38574, 1052213, 2104426, 3156639, 6313278, 9469917, 18939834]

約数ペア:

[(1, 18939834), (2, 9469917), (3, 6313278), (6, 3156639), (9, 2104426), (18, 1052213), (491, 38574), (982, 19287), (1473, 12858), (2143, 8838), (2946, 6429), (4286, 4419)]