18257456

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 43997184

約数和(自身を除く): 25739728

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 223, 238, 272, 301, 344, 446, 476, 602, 688, 731, 892, 952, 1204, 1462, 1561, 1784, 1904, 2408, 2924, 3122, 3568, 3791, 4816, 5117, 5848, 6244, 7582, 9589, 10234, 11696, 12488, 15164, 19178, 20468, 24976, 26537, 30328, 38356, 40936, 53074, 60656, 67123, 76712, 81872, 106148, 134246, 153424, 163013, 212296, 268492, 326026, 424592, 536984, 652052, 1073968, 1141091, 1304104, 2282182, 2608208, 4564364, 9128728, 18257456]

約数ペア:

[(1, 18257456), (2, 9128728), (4, 4564364), (7, 2608208), (8, 2282182), (14, 1304104), (16, 1141091), (17, 1073968), (28, 652052), (34, 536984), (43, 424592), (56, 326026), (68, 268492), (86, 212296), (112, 163013), (119, 153424), (136, 134246), (172, 106148), (223, 81872), (238, 76712), (272, 67123), (301, 60656), (344, 53074), (446, 40936), (476, 38356), (602, 30328), (688, 26537), (731, 24976), (892, 20468), (952, 19178), (1204, 15164), (1462, 12488), (1561, 11696), (1784, 10234), (1904, 9589), (2408, 7582), (2924, 6244), (3122, 5848), (3568, 5117), (3791, 4816)]