18219616

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13241}}^1$

素因数の和:13294

約数の個数: 24

約数和(自身を含む): 36706824

約数和(自身を除く): 18487208

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13241, 26482, 52964, 105928, 211856, 423712, 569363, 1138726, 2277452, 4554904, 9109808, 18219616]

約数ペア:

[(1, 18219616), (2, 9109808), (4, 4554904), (8, 2277452), (16, 1138726), (32, 569363), (43, 423712), (86, 211856), (172, 105928), (344, 52964), (688, 26482), (1376, 13241)]