18860072

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 27847768

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 1801, 2618, 3602, 5236, 7204, 10472, 12607, 14408, 19811, 25214, 30617, 39622, 50428, 61234, 79244, 100856, 122468, 138677, 158488, 214319, 244936, 277354, 336787, 428638, 554708, 673574, 857276, 1109416, 1347148, 1714552, 2357509, 2694296, 4715018, 9430036, 18860072]

約数ペア:

[(1, 18860072), (2, 9430036), (4, 4715018), (7, 2694296), (8, 2357509), (11, 1714552), (14, 1347148), (17, 1109416), (22, 857276), (28, 673574), (34, 554708), (44, 428638), (56, 336787), (68, 277354), (77, 244936), (88, 214319), (119, 158488), (136, 138677), (154, 122468), (187, 100856), (238, 79244), (308, 61234), (374, 50428), (476, 39622), (616, 30617), (748, 25214), (952, 19811), (1309, 14408), (1496, 12607), (1801, 10472), (2618, 7204), (3602, 5236)]