18915695613

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1959

約数の個数: 64

約数和(自身を含む): 29913523200

約数和(自身を除く): 10997827587

約数列:

[1, 3, 9, 19, 27, 57, 131, 171, 173, 393, 513, 519, 1179, 1557, 1627, 2489, 3287, 3537, 4671, 4881, 7467, 9861, 14643, 22401, 22663, 29583, 30913, 43929, 67203, 67989, 88749, 92739, 203967, 213137, 278217, 281471, 430597, 611901, 639411, 834651, 844413, 1291791, 1918233, 2533239, 3875373, 4049603, 5347949, 5754699, 7599717, 11626119, 12148809, 16043847, 36446427, 36872701, 48131541, 109339281, 110618103, 144394623, 331854309, 700581319, 995562927, 2101743957, 6305231871, 18915695613]

約数ペア:

[(1, 18915695613), (3, 6305231871), (9, 2101743957), (19, 995562927), (27, 700581319), (57, 331854309), (131, 144394623), (171, 110618103), (173, 109339281), (393, 48131541), (513, 36872701), (519, 36446427), (1179, 16043847), (1557, 12148809), (1627, 11626119), (2489, 7599717), (3287, 5754699), (3537, 5347949), (4671, 4049603), (4881, 3875373), (7467, 2533239), (9861, 1918233), (14643, 1291791), (22401, 844413), (22663, 834651), (29583, 639411), (30913, 611901), (43929, 430597), (67203, 281471), (67989, 278217), (88749, 213137), (92739, 203967)]