18529864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21127736

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 71, 76, 101, 136, 142, 152, 202, 284, 323, 404, 568, 646, 808, 1207, 1292, 1349, 1717, 1919, 2414, 2584, 2698, 3434, 3838, 4828, 5396, 6868, 7171, 7676, 9656, 10792, 13736, 14342, 15352, 22933, 28684, 32623, 45866, 57368, 65246, 91732, 121907, 130492, 136249, 183464, 243814, 260984, 272498, 487628, 544996, 975256, 1089992, 2316233, 4632466, 9264932, 18529864]

約数ペア:

[(1, 18529864), (2, 9264932), (4, 4632466), (8, 2316233), (17, 1089992), (19, 975256), (34, 544996), (38, 487628), (68, 272498), (71, 260984), (76, 243814), (101, 183464), (136, 136249), (142, 130492), (152, 121907), (202, 91732), (284, 65246), (323, 57368), (404, 45866), (568, 32623), (646, 28684), (808, 22933), (1207, 15352), (1292, 14342), (1349, 13736), (1717, 10792), (1919, 9656), (2414, 7676), (2584, 7171), (2698, 6868), (3434, 5396), (3838, 4828)]