18926192

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27509}}^1$

素因数の和:27560

約数の個数: 20

約数和(自身を含む): 37523640

約数和(自身を除く): 18597448

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27509, 55018, 110036, 220072, 440144, 1182887, 2365774, 4731548, 9463096, 18926192]

約数ペア:

[(1, 18926192), (2, 9463096), (4, 4731548), (8, 2365774), (16, 1182887), (43, 440144), (86, 220072), (172, 110036), (344, 55018), (688, 27509)]