18516128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 39095784

約数和(自身を除く): 20579656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 101, 136, 202, 272, 337, 404, 544, 674, 808, 1348, 1616, 1717, 2696, 3232, 3434, 5392, 5729, 6868, 10784, 11458, 13736, 22916, 27472, 34037, 45832, 54944, 68074, 91664, 136148, 183328, 272296, 544592, 578629, 1089184, 1157258, 2314516, 4629032, 9258064, 18516128]

約数ペア:

[(1, 18516128), (2, 9258064), (4, 4629032), (8, 2314516), (16, 1157258), (17, 1089184), (32, 578629), (34, 544592), (68, 272296), (101, 183328), (136, 136148), (202, 91664), (272, 68074), (337, 54944), (404, 45832), (544, 34037), (674, 27472), (808, 22916), (1348, 13736), (1616, 11458), (1717, 10784), (2696, 6868), (3232, 5729), (3434, 5392)]