18886220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41057}}^1$

素因数の和:41089

約数の個数: 24

約数和(自身を含む): 41386464

約数和(自身を除く): 22500244

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41057, 82114, 164228, 205285, 410570, 821140, 944311, 1888622, 3777244, 4721555, 9443110, 18886220]

約数ペア:

[(1, 18886220), (2, 9443110), (4, 4721555), (5, 3777244), (10, 1888622), (20, 944311), (23, 821140), (46, 410570), (92, 205285), (115, 164228), (230, 82114), (460, 41057)]