18887596

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 42837760

約数和(自身を除く): 23950164

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2731, 3458, 5462, 6916, 10924, 19117, 35503, 38234, 51889, 71006, 76468, 103778, 142012, 207556, 248521, 363223, 497042, 674557, 726446, 994084, 1349114, 1452892, 2698228, 4721899, 9443798, 18887596]

約数ペア:

[(1, 18887596), (2, 9443798), (4, 4721899), (7, 2698228), (13, 1452892), (14, 1349114), (19, 994084), (26, 726446), (28, 674557), (38, 497042), (52, 363223), (76, 248521), (91, 207556), (133, 142012), (182, 103778), (247, 76468), (266, 71006), (364, 51889), (494, 38234), (532, 35503), (988, 19117), (1729, 10924), (2731, 6916), (3458, 5462)]