17987796

素因数分解:

$2^2\times 3^2\times {\mathrm{499661}}^1$

素因数の和:499671

約数の個数: 18

約数和(自身を含む): 45469242

約数和(自身を除く): 27481446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499661, 999322, 1498983, 1998644, 2997966, 4496949, 5995932, 8993898, 17987796]

約数ペア:

[(1, 17987796), (2, 8993898), (3, 5995932), (4, 4496949), (6, 2997966), (9, 1998644), (12, 1498983), (18, 999322), (36, 499661)]