18672868

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 35974260

約数和(自身を除く): 17301392

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 289, 493, 557, 578, 986, 1114, 1156, 1972, 2228, 8381, 9469, 16153, 16762, 18938, 32306, 33524, 37876, 64612, 160973, 274601, 321946, 549202, 643892, 1098404, 4668217, 9336434, 18672868]

約数ペア:

[(1, 18672868), (2, 9336434), (4, 4668217), (17, 1098404), (29, 643892), (34, 549202), (58, 321946), (68, 274601), (116, 160973), (289, 64612), (493, 37876), (557, 33524), (578, 32306), (986, 18938), (1114, 16762), (1156, 16153), (1972, 9469), (2228, 8381)]