18835940

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2459}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 20838940

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2459, 3830, 4918, 7660, 9836, 12295, 24590, 49180, 941797, 1883594, 3767188, 4708985, 9417970, 18835940]

約数ペア:

[(1, 18835940), (2, 9417970), (4, 4708985), (5, 3767188), (10, 1883594), (20, 941797), (383, 49180), (766, 24590), (1532, 12295), (1915, 9836), (2459, 7660), (3830, 4918)]