19977732

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{1907}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 52355520

約数和(自身を除く): 32377788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 1907, 2619, 3492, 3814, 5238, 5721, 7628, 10476, 11442, 17163, 22884, 34326, 51489, 68652, 102978, 184979, 205956, 369958, 554937, 739916, 1109874, 1664811, 2219748, 3329622, 4994433, 6659244, 9988866, 19977732]

約数ペア:

[(1, 19977732), (2, 9988866), (3, 6659244), (4, 4994433), (6, 3329622), (9, 2219748), (12, 1664811), (18, 1109874), (27, 739916), (36, 554937), (54, 369958), (97, 205956), (108, 184979), (194, 102978), (291, 68652), (388, 51489), (582, 34326), (873, 22884), (1164, 17163), (1746, 11442), (1907, 10476), (2619, 7628), (3492, 5721), (3814, 5238)]