11987196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 30839424

約数和(自身を除く): 18852228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 1787, 2236, 3354, 3574, 5361, 6708, 7148, 10722, 21444, 23231, 46462, 69693, 76841, 92924, 139386, 153682, 230523, 278772, 307364, 461046, 922092, 998933, 1997866, 2996799, 3995732, 5993598, 11987196]

約数ペア:

[(1, 11987196), (2, 5993598), (3, 3995732), (4, 2996799), (6, 1997866), (12, 998933), (13, 922092), (26, 461046), (39, 307364), (43, 278772), (52, 230523), (78, 153682), (86, 139386), (129, 92924), (156, 76841), (172, 69693), (258, 46462), (516, 23231), (559, 21444), (1118, 10722), (1677, 7148), (1787, 6708), (2236, 5361), (3354, 3574)]