16986736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81667}}^1$

素因数の和:81688

約数の個数: 20

約数和(自身を含む): 35443912

約数和(自身を除く): 18457176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81667, 163334, 326668, 653336, 1061671, 1306672, 2123342, 4246684, 8493368, 16986736]

約数ペア:

[(1, 16986736), (2, 8493368), (4, 4246684), (8, 2123342), (13, 1306672), (16, 1061671), (26, 653336), (52, 326668), (104, 163334), (208, 81667)]