2011800921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{26881}}^1$

素因数の和:27017

約数の個数: 32

約数和(自身を含む): 3070999680

約数和(自身を除く): 1059198759

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 741, 1313, 1919, 3939, 5757, 24947, 26881, 74841, 80643, 349453, 510739, 1048359, 1532217, 2714981, 6639607, 8144943, 19918821, 35294753, 51584639, 105884259, 154753917, 670600307, 2011800921]

約数ペア:

[(1, 2011800921), (3, 670600307), (13, 154753917), (19, 105884259), (39, 51584639), (57, 35294753), (101, 19918821), (247, 8144943), (303, 6639607), (741, 2714981), (1313, 1532217), (1919, 1048359), (3939, 510739), (5757, 349453), (24947, 80643), (26881, 74841)]