19143982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 35838720

約数和(自身を除く): 16694738

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 169, 209, 247, 271, 286, 338, 418, 494, 542, 1859, 2717, 2981, 3211, 3523, 3718, 5149, 5434, 5962, 6422, 7046, 10298, 35321, 38753, 45799, 56639, 66937, 70642, 77506, 91598, 113278, 133874, 503789, 736307, 870181, 1007578, 1472614, 1740362, 9571991, 19143982]

約数ペア:

[(1, 19143982), (2, 9571991), (11, 1740362), (13, 1472614), (19, 1007578), (22, 870181), (26, 736307), (38, 503789), (143, 133874), (169, 113278), (209, 91598), (247, 77506), (271, 70642), (286, 66937), (338, 56639), (418, 45799), (494, 38753), (542, 35321), (1859, 10298), (2717, 7046), (2981, 6422), (3211, 5962), (3523, 5434), (3718, 5149)]