19104513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 27979776

約数和(自身を除く): 8875263

約数列:

[1, 3, 23, 43, 47, 69, 129, 137, 141, 411, 989, 1081, 2021, 2967, 3151, 3243, 5891, 6063, 6439, 9453, 17673, 19317, 46483, 135493, 139449, 148097, 276877, 406479, 444291, 830631, 6368171, 19104513]

約数ペア:

[(1, 19104513), (3, 6368171), (23, 830631), (43, 444291), (47, 406479), (69, 276877), (129, 148097), (137, 139449), (141, 135493), (411, 46483), (989, 19317), (1081, 17673), (2021, 9453), (2967, 6439), (3151, 6063), (3243, 5891)]