19966856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27427}}^1$

素因数の和:27453

約数の個数: 32

約数和(自身を含む): 46079040

約数和(自身を除く): 26112184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27427, 54854, 109708, 191989, 219416, 356551, 383978, 713102, 767956, 1426204, 1535912, 2495857, 2852408, 4991714, 9983428, 19966856]

約数ペア:

[(1, 19966856), (2, 9983428), (4, 4991714), (7, 2852408), (8, 2495857), (13, 1535912), (14, 1426204), (26, 767956), (28, 713102), (52, 383978), (56, 356551), (91, 219416), (104, 191989), (182, 109708), (364, 54854), (728, 27427)]