19665327

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4549}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 9163473

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4549, 13647, 50039, 150117, 595919, 1787757, 6555109, 19665327]

約数ペア:

[(1, 19665327), (3, 6555109), (11, 1787757), (33, 595919), (131, 150117), (393, 50039), (1441, 13647), (4323, 4549)]