18708074

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18616726

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 59, 71, 77, 118, 142, 154, 203, 319, 406, 413, 497, 638, 649, 781, 826, 994, 1298, 1562, 1711, 2059, 2233, 3422, 4118, 4189, 4466, 4543, 5467, 8378, 9086, 10934, 11977, 14413, 18821, 22649, 23954, 28826, 29323, 37642, 45298, 46079, 58646, 92158, 121481, 131747, 158543, 242962, 263494, 317086, 322553, 645106, 850367, 1336291, 1700734, 2672582, 9354037, 18708074]

約数ペア:

[(1, 18708074), (2, 9354037), (7, 2672582), (11, 1700734), (14, 1336291), (22, 850367), (29, 645106), (58, 322553), (59, 317086), (71, 263494), (77, 242962), (118, 158543), (142, 131747), (154, 121481), (203, 92158), (319, 58646), (406, 46079), (413, 45298), (497, 37642), (638, 29323), (649, 28826), (781, 23954), (826, 22649), (994, 18821), (1298, 14413), (1562, 11977), (1711, 10934), (2059, 9086), (2233, 8378), (3422, 5467), (4118, 4543), (4189, 4466)]