19998984

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6361}}^1$

素因数の和:6501

約数の個数: 32

約数和(自身を含む): 50387040

約数和(自身を除く): 30388056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6361, 12722, 19083, 25444, 38166, 50888, 76332, 152664, 833291, 1666582, 2499873, 3333164, 4999746, 6666328, 9999492, 19998984]

約数ペア:

[(1, 19998984), (2, 9999492), (3, 6666328), (4, 4999746), (6, 3333164), (8, 2499873), (12, 1666582), (24, 833291), (131, 152664), (262, 76332), (393, 50888), (524, 38166), (786, 25444), (1048, 19083), (1572, 12722), (3144, 6361)]