19972149

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 27604800

約数和(自身を除く): 7632651

約数列:

[1, 3, 53, 59, 159, 177, 2129, 3127, 6387, 9381, 112837, 125611, 338511, 376833, 6657383, 19972149]

約数ペア:

[(1, 19972149), (3, 6657383), (53, 376833), (59, 338511), (159, 125611), (177, 112837), (2129, 9381), (3127, 6387)]