16990028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20323}}^1$

素因数の和:20357

約数の個数: 24

約数和(自身を含む): 34144320

約数和(自身を除く): 17154292

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 20323, 40646, 81292, 223553, 386137, 447106, 772274, 894212, 1544548, 4247507, 8495014, 16990028]

約数ペア:

[(1, 16990028), (2, 8495014), (4, 4247507), (11, 1544548), (19, 894212), (22, 772274), (38, 447106), (44, 386137), (76, 223553), (209, 81292), (418, 40646), (836, 20323)]