19205186

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 39626496

約数和(自身を除く): 20421310

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 143, 154, 181, 182, 286, 362, 371, 583, 689, 742, 1001, 1166, 1267, 1378, 1991, 2002, 2353, 2534, 3982, 4081, 4706, 4823, 7579, 8162, 9593, 9646, 13937, 15158, 16471, 19186, 25883, 27874, 32942, 51766, 53053, 67151, 105523, 106106, 124709, 134302, 181181, 211046, 249418, 362362, 738661, 872963, 1371799, 1477322, 1745926, 2743598, 9602593, 19205186]

約数ペア:

[(1, 19205186), (2, 9602593), (7, 2743598), (11, 1745926), (13, 1477322), (14, 1371799), (22, 872963), (26, 738661), (53, 362362), (77, 249418), (91, 211046), (106, 181181), (143, 134302), (154, 124709), (181, 106106), (182, 105523), (286, 67151), (362, 53053), (371, 51766), (583, 32942), (689, 27874), (742, 25883), (1001, 19186), (1166, 16471), (1267, 15158), (1378, 13937), (1991, 9646), (2002, 9593), (2353, 8162), (2534, 7579), (3982, 4823), (4081, 4706)]