18303208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 43845120

約数和(自身を除く): 25541912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 691, 946, 1204, 1382, 1892, 2408, 2764, 3311, 3784, 4837, 5528, 6622, 7601, 9674, 13244, 15202, 19348, 26488, 29713, 30404, 38696, 53207, 59426, 60808, 106414, 118852, 207991, 212828, 237704, 326843, 415982, 425656, 653686, 831964, 1307372, 1663928, 2287901, 2614744, 4575802, 9151604, 18303208]

約数ペア:

[(1, 18303208), (2, 9151604), (4, 4575802), (7, 2614744), (8, 2287901), (11, 1663928), (14, 1307372), (22, 831964), (28, 653686), (43, 425656), (44, 415982), (56, 326843), (77, 237704), (86, 212828), (88, 207991), (154, 118852), (172, 106414), (301, 60808), (308, 59426), (344, 53207), (473, 38696), (602, 30404), (616, 29713), (691, 26488), (946, 19348), (1204, 15202), (1382, 13244), (1892, 9674), (2408, 7601), (2764, 6622), (3311, 5528), (3784, 4837)]