19582407

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13963833

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 383, 437, 741, 897, 1149, 1311, 2223, 2691, 3447, 3933, 4979, 5681, 7277, 8809, 14937, 17043, 21831, 26427, 44811, 51129, 65493, 79281, 94601, 114517, 167371, 283803, 343551, 502113, 851409, 1030653, 1506339, 2175823, 6527469, 19582407]

約数ペア:

[(1, 19582407), (3, 6527469), (9, 2175823), (13, 1506339), (19, 1030653), (23, 851409), (39, 502113), (57, 343551), (69, 283803), (117, 167371), (171, 114517), (207, 94601), (247, 79281), (299, 65493), (383, 51129), (437, 44811), (741, 26427), (897, 21831), (1149, 17043), (1311, 14937), (2223, 8809), (2691, 7277), (3447, 5681), (3933, 4979)]