18558832

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 39894768

約数和(自身を除く): 21335936

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 71, 124, 136, 142, 248, 272, 284, 496, 527, 568, 961, 1054, 1136, 1207, 1922, 2108, 2201, 2414, 3844, 4216, 4402, 4828, 7688, 8432, 8804, 9656, 15376, 16337, 17608, 19312, 32674, 35216, 37417, 65348, 68231, 74834, 130696, 136462, 149668, 261392, 272924, 299336, 545848, 598672, 1091696, 1159927, 2319854, 4639708, 9279416, 18558832]

約数ペア:

[(1, 18558832), (2, 9279416), (4, 4639708), (8, 2319854), (16, 1159927), (17, 1091696), (31, 598672), (34, 545848), (62, 299336), (68, 272924), (71, 261392), (124, 149668), (136, 136462), (142, 130696), (248, 74834), (272, 68231), (284, 65348), (496, 37417), (527, 35216), (568, 32674), (961, 19312), (1054, 17608), (1136, 16337), (1207, 15376), (1922, 9656), (2108, 8804), (2201, 8432), (2414, 7688), (3844, 4828), (4216, 4402)]