17871854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 18899986

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 79, 91, 113, 143, 154, 158, 182, 226, 286, 553, 791, 869, 1001, 1027, 1106, 1243, 1469, 1582, 1738, 2002, 2054, 2486, 2938, 6083, 7189, 8701, 8927, 10283, 11297, 12166, 14378, 16159, 17402, 17854, 20566, 22594, 32318, 62489, 79079, 98197, 113113, 116051, 124978, 158158, 196394, 226226, 232102, 687379, 812357, 1276561, 1374758, 1624714, 2553122, 8935927, 17871854]

約数ペア:

[(1, 17871854), (2, 8935927), (7, 2553122), (11, 1624714), (13, 1374758), (14, 1276561), (22, 812357), (26, 687379), (77, 232102), (79, 226226), (91, 196394), (113, 158158), (143, 124978), (154, 116051), (158, 113113), (182, 98197), (226, 79079), (286, 62489), (553, 32318), (791, 22594), (869, 20566), (1001, 17854), (1027, 17402), (1106, 16159), (1243, 14378), (1469, 12166), (1582, 11297), (1738, 10283), (2002, 8927), (2054, 8701), (2486, 7189), (2938, 6083)]