18814026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 47379456

約数和(自身を除く): 28565430

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 193, 211, 231, 386, 422, 462, 579, 633, 1158, 1266, 1351, 1477, 2123, 2321, 2702, 2954, 4053, 4246, 4431, 4642, 6369, 6963, 8106, 8862, 12738, 13926, 14861, 16247, 29722, 32494, 40723, 44583, 48741, 81446, 89166, 97482, 122169, 244338, 285061, 447953, 570122, 855183, 895906, 1343859, 1710366, 2687718, 3135671, 6271342, 9407013, 18814026]

約数ペア:

[(1, 18814026), (2, 9407013), (3, 6271342), (6, 3135671), (7, 2687718), (11, 1710366), (14, 1343859), (21, 895906), (22, 855183), (33, 570122), (42, 447953), (66, 285061), (77, 244338), (154, 122169), (193, 97482), (211, 89166), (231, 81446), (386, 48741), (422, 44583), (462, 40723), (579, 32494), (633, 29722), (1158, 16247), (1266, 14861), (1351, 13926), (1477, 12738), (2123, 8862), (2321, 8106), (2702, 6963), (2954, 6369), (4053, 4642), (4246, 4431)]