18723892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22397}}^1$

素因数の和:22431

約数の個数: 24

約数和(自身を含む): 37628640

約数和(自身を除く): 18904748

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 22397, 44794, 89588, 246367, 425543, 492734, 851086, 985468, 1702172, 4680973, 9361946, 18723892]

約数ペア:

[(1, 18723892), (2, 9361946), (4, 4680973), (11, 1702172), (19, 985468), (22, 851086), (38, 492734), (44, 425543), (76, 246367), (209, 89588), (418, 44794), (836, 22397)]