18244672

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 56

約数和(自身を含む): 39364920

約数和(自身を除く): 21120248

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 136, 164, 272, 328, 409, 544, 656, 697, 818, 1088, 1312, 1394, 1636, 2624, 2788, 3272, 5576, 6544, 6953, 11152, 13088, 13906, 16769, 22304, 26176, 27812, 33538, 44608, 55624, 67076, 111248, 134152, 222496, 268304, 285073, 444992, 536608, 570146, 1073216, 1140292, 2280584, 4561168, 9122336, 18244672]

約数ペア:

[(1, 18244672), (2, 9122336), (4, 4561168), (8, 2280584), (16, 1140292), (17, 1073216), (32, 570146), (34, 536608), (41, 444992), (64, 285073), (68, 268304), (82, 222496), (136, 134152), (164, 111248), (272, 67076), (328, 55624), (409, 44608), (544, 33538), (656, 27812), (697, 26176), (818, 22304), (1088, 16769), (1312, 13906), (1394, 13088), (1636, 11152), (2624, 6953), (2788, 6544), (3272, 5576)]