18991662

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{20161}}^1$

素因数の和:20323

約数の個数: 16

約数和(自身を含む): 38227152

約数和(自身を除く): 19235490

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 20161, 40322, 60483, 120966, 3165277, 6330554, 9495831, 18991662]

約数ペア:

[(1, 18991662), (2, 9495831), (3, 6330554), (6, 3165277), (157, 120966), (314, 60483), (471, 40322), (942, 20161)]