18741808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27241}}^1$

素因数の和:27292

約数の個数: 20

約数和(自身を含む): 37158088

約数和(自身を除く): 18416280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27241, 54482, 108964, 217928, 435856, 1171363, 2342726, 4685452, 9370904, 18741808]

約数ペア:

[(1, 18741808), (2, 9370904), (4, 4685452), (8, 2342726), (16, 1171363), (43, 435856), (86, 217928), (172, 108964), (344, 54482), (688, 27241)]