18874592

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 42933240

約数和(自身を除く): 24058648

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 43, 44, 58, 86, 88, 116, 172, 176, 232, 319, 344, 352, 464, 473, 638, 688, 928, 946, 1247, 1276, 1376, 1849, 1892, 2494, 2552, 3698, 3784, 4988, 5104, 7396, 7568, 9976, 10208, 13717, 14792, 15136, 19952, 20339, 27434, 29584, 39904, 40678, 53621, 54868, 59168, 81356, 107242, 109736, 162712, 214484, 219472, 325424, 428968, 438944, 589831, 650848, 857936, 1179662, 1715872, 2359324, 4718648, 9437296, 18874592]

約数ペア:

[(1, 18874592), (2, 9437296), (4, 4718648), (8, 2359324), (11, 1715872), (16, 1179662), (22, 857936), (29, 650848), (32, 589831), (43, 438944), (44, 428968), (58, 325424), (86, 219472), (88, 214484), (116, 162712), (172, 109736), (176, 107242), (232, 81356), (319, 59168), (344, 54868), (352, 53621), (464, 40678), (473, 39904), (638, 29584), (688, 27434), (928, 20339), (946, 19952), (1247, 15136), (1276, 14792), (1376, 13717), (1849, 10208), (1892, 9976), (2494, 7568), (2552, 7396), (3698, 5104), (3784, 4988)]