18837288

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4362

約数の個数: 48

約数和(自身を含む): 51866100

約数和(自身を除く): 33028812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4289, 4392, 8578, 12867, 17156, 25734, 34312, 38601, 51468, 77202, 102936, 154404, 261629, 308808, 523258, 784887, 1046516, 1569774, 2093032, 2354661, 3139548, 4709322, 6279096, 9418644, 18837288]

約数ペア:

[(1, 18837288), (2, 9418644), (3, 6279096), (4, 4709322), (6, 3139548), (8, 2354661), (9, 2093032), (12, 1569774), (18, 1046516), (24, 784887), (36, 523258), (61, 308808), (72, 261629), (122, 154404), (183, 102936), (244, 77202), (366, 51468), (488, 38601), (549, 34312), (732, 25734), (1098, 17156), (1464, 12867), (2196, 8578), (4289, 4392)]