18378888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 32942712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1619, 1892, 2838, 3238, 3784, 4857, 5676, 6476, 9714, 11352, 12952, 17809, 19428, 35618, 38856, 53427, 69617, 71236, 106854, 139234, 142472, 208851, 213708, 278468, 417702, 427416, 556936, 765787, 835404, 1531574, 1670808, 2297361, 3063148, 4594722, 6126296, 9189444, 18378888]

約数ペア:

[(1, 18378888), (2, 9189444), (3, 6126296), (4, 4594722), (6, 3063148), (8, 2297361), (11, 1670808), (12, 1531574), (22, 835404), (24, 765787), (33, 556936), (43, 427416), (44, 417702), (66, 278468), (86, 213708), (88, 208851), (129, 142472), (132, 139234), (172, 106854), (258, 71236), (264, 69617), (344, 53427), (473, 38856), (516, 35618), (946, 19428), (1032, 17809), (1419, 12952), (1619, 11352), (1892, 9714), (2838, 6476), (3238, 5676), (3784, 4857)]