18896961

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5827}}^1$

素因数の和:5900

約数の個数: 16

約数和(自身を含む): 26855424

約数和(自身を除く): 7958463

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 5827, 17481, 134021, 273869, 402063, 821607, 6298987, 18896961]

約数ペア:

[(1, 18896961), (3, 6298987), (23, 821607), (47, 402063), (69, 273869), (141, 134021), (1081, 17481), (3243, 5827)]