18505780458544

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{1759}}^1\times {\mathrm{43319}}^1$

素因数の和:45482

約数の個数: 80

約数和(自身を含む): 36814486579200

約数和(自身を除く): 18308706120656

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 353, 688, 706, 1412, 1759, 2824, 3518, 5648, 7036, 14072, 15179, 28144, 30358, 43319, 60716, 75637, 86638, 121432, 151274, 173276, 242864, 302548, 346552, 605096, 620927, 693104, 1210192, 1241854, 1862717, 2483708, 3725434, 4967416, 7450868, 9934832, 14901736, 15291607, 26699861, 29803472, 30583214, 53399722, 61166428, 76198121, 106799444, 122332856, 152396242, 213598888, 244665712, 304792484, 427197776, 609584968, 657539101, 1219169936, 1315078202, 2630156404, 3276519203, 5260312808, 6553038406, 10520625616, 13106076812, 26212153624, 26897936713, 52424307248, 53795873426, 107591746852, 215183493704, 430366987408, 1156611278659, 2313222557318, 4626445114636, 9252890229272, 18505780458544]

約数ペア:

[(1, 18505780458544), (2, 9252890229272), (4, 4626445114636), (8, 2313222557318), (16, 1156611278659), (43, 430366987408), (86, 215183493704), (172, 107591746852), (344, 53795873426), (353, 52424307248), (688, 26897936713), (706, 26212153624), (1412, 13106076812), (1759, 10520625616), (2824, 6553038406), (3518, 5260312808), (5648, 3276519203), (7036, 2630156404), (14072, 1315078202), (15179, 1219169936), (28144, 657539101), (30358, 609584968), (43319, 427197776), (60716, 304792484), (75637, 244665712), (86638, 213598888), (121432, 152396242), (151274, 122332856), (173276, 106799444), (242864, 76198121), (302548, 61166428), (346552, 53399722), (605096, 30583214), (620927, 29803472), (693104, 26699861), (1210192, 15291607), (1241854, 14901736), (1862717, 9934832), (2483708, 7450868), (3725434, 4967416)]