18412640

素因数分解:

$2^5\times 5^1\times {\mathrm{115079}}^1$

素因数の和:115094

約数の個数: 24

約数和(自身を含む): 43500240

約数和(自身を除く): 25087600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115079, 230158, 460316, 575395, 920632, 1150790, 1841264, 2301580, 3682528, 4603160, 9206320, 18412640]

約数ペア:

[(1, 18412640), (2, 9206320), (4, 4603160), (5, 3682528), (8, 2301580), (10, 1841264), (16, 1150790), (20, 920632), (32, 575395), (40, 460316), (80, 230158), (160, 115079)]