18810866

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4127}}^1$

素因数の和:4225

約数の個数: 16

約数和(自身を含む): 29424384

約数和(自身を除く): 10613518

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4127, 4558, 8254, 177461, 218731, 354922, 437462, 9405433, 18810866]

約数ペア:

[(1, 18810866), (2, 9405433), (43, 437462), (53, 354922), (86, 218731), (106, 177461), (2279, 8254), (4127, 4558)]