18776758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 19833674

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 83, 91, 113, 143, 154, 166, 182, 226, 286, 581, 791, 913, 1001, 1079, 1162, 1243, 1469, 1582, 1826, 2002, 2158, 2486, 2938, 6391, 7553, 8701, 9379, 10283, 11869, 12782, 15106, 16159, 17402, 18758, 20566, 23738, 32318, 65653, 83083, 103169, 113113, 121927, 131306, 166166, 206338, 226226, 243854, 722183, 853489, 1341197, 1444366, 1706978, 2682394, 9388379, 18776758]

約数ペア:

[(1, 18776758), (2, 9388379), (7, 2682394), (11, 1706978), (13, 1444366), (14, 1341197), (22, 853489), (26, 722183), (77, 243854), (83, 226226), (91, 206338), (113, 166166), (143, 131306), (154, 121927), (166, 113113), (182, 103169), (226, 83083), (286, 65653), (581, 32318), (791, 23738), (913, 20566), (1001, 18758), (1079, 17402), (1162, 16159), (1243, 15106), (1469, 12782), (1582, 11869), (1826, 10283), (2002, 9379), (2158, 8701), (2486, 7553), (2938, 6391)]