2009017972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{2797}}^1$

素因数の和:3560

約数の個数: 48

約数和(自身を含む): 3992410240

約数和(自身を除く): 1983392268

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 727, 988, 1454, 2797, 2908, 5594, 9451, 11188, 13813, 18902, 27626, 36361, 37804, 53143, 55252, 72722, 106286, 145444, 179569, 212572, 359138, 690859, 718276, 1381718, 2033419, 2763436, 4066838, 8133676, 26434447, 38634961, 52868894, 77269922, 105737788, 154539844, 502254493, 1004508986, 2009017972]

約数ペア:

[(1, 2009017972), (2, 1004508986), (4, 502254493), (13, 154539844), (19, 105737788), (26, 77269922), (38, 52868894), (52, 38634961), (76, 26434447), (247, 8133676), (494, 4066838), (727, 2763436), (988, 2033419), (1454, 1381718), (2797, 718276), (2908, 690859), (5594, 359138), (9451, 212572), (11188, 179569), (13813, 145444), (18902, 106286), (27626, 72722), (36361, 55252), (37804, 53143)]