18389784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 57231360

約数和(自身を除く): 38841576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 47, 51, 56, 68, 84, 94, 102, 119, 136, 137, 141, 168, 188, 204, 238, 274, 282, 329, 357, 376, 408, 411, 476, 548, 564, 658, 714, 799, 822, 952, 959, 987, 1096, 1128, 1316, 1428, 1598, 1644, 1918, 1974, 2329, 2397, 2632, 2856, 2877, 3196, 3288, 3836, 3948, 4658, 4794, 5593, 5754, 6392, 6439, 6987, 7672, 7896, 9316, 9588, 11186, 11508, 12878, 13974, 16303, 16779, 18632, 19176, 19317, 22372, 23016, 25756, 27948, 32606, 33558, 38634, 44744, 45073, 48909, 51512, 55896, 65212, 67116, 77268, 90146, 97818, 109463, 130424, 134232, 135219, 154536, 180292, 195636, 218926, 270438, 328389, 360584, 391272, 437852, 540876, 656778, 766241, 875704, 1081752, 1313556, 1532482, 2298723, 2627112, 3064964, 4597446, 6129928, 9194892, 18389784]

約数ペア:

[(1, 18389784), (2, 9194892), (3, 6129928), (4, 4597446), (6, 3064964), (7, 2627112), (8, 2298723), (12, 1532482), (14, 1313556), (17, 1081752), (21, 875704), (24, 766241), (28, 656778), (34, 540876), (42, 437852), (47, 391272), (51, 360584), (56, 328389), (68, 270438), (84, 218926), (94, 195636), (102, 180292), (119, 154536), (136, 135219), (137, 134232), (141, 130424), (168, 109463), (188, 97818), (204, 90146), (238, 77268), (274, 67116), (282, 65212), (329, 55896), (357, 51512), (376, 48909), (408, 45073), (411, 44744), (476, 38634), (548, 33558), (564, 32606), (658, 27948), (714, 25756), (799, 23016), (822, 22372), (952, 19317), (959, 19176), (987, 18632), (1096, 16779), (1128, 16303), (1316, 13974), (1428, 12878), (1598, 11508), (1644, 11186), (1918, 9588), (1974, 9316), (2329, 7896), (2397, 7672), (2632, 6987), (2856, 6439), (2877, 6392), (3196, 5754), (3288, 5593), (3836, 4794), (3948, 4658)]