18255094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16581386

約数列:

[1, 2, 11, 13, 22, 26, 29, 31, 58, 62, 71, 142, 143, 286, 319, 341, 377, 403, 638, 682, 754, 781, 806, 899, 923, 1562, 1798, 1846, 2059, 2201, 4118, 4147, 4402, 4433, 8294, 8866, 9889, 10153, 11687, 19778, 20306, 22649, 23374, 24211, 26767, 28613, 45298, 48422, 53534, 57226, 63829, 127658, 128557, 257114, 294437, 314743, 588874, 629486, 702119, 829777, 1404238, 1659554, 9127547, 18255094]

約数ペア:

[(1, 18255094), (2, 9127547), (11, 1659554), (13, 1404238), (22, 829777), (26, 702119), (29, 629486), (31, 588874), (58, 314743), (62, 294437), (71, 257114), (142, 128557), (143, 127658), (286, 63829), (319, 57226), (341, 53534), (377, 48422), (403, 45298), (638, 28613), (682, 26767), (754, 24211), (781, 23374), (806, 22649), (899, 20306), (923, 19778), (1562, 11687), (1798, 10153), (1846, 9889), (2059, 8866), (2201, 8294), (4118, 4433), (4147, 4402)]