18591136

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 38253600

約数和(自身を除く): 19662464

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 86, 118, 172, 229, 236, 344, 458, 472, 688, 916, 944, 1376, 1832, 1888, 2537, 3664, 5074, 7328, 9847, 10148, 13511, 19694, 20296, 27022, 39388, 40592, 54044, 78776, 81184, 108088, 157552, 216176, 315104, 432352, 580973, 1161946, 2323892, 4647784, 9295568, 18591136]

約数ペア:

[(1, 18591136), (2, 9295568), (4, 4647784), (8, 2323892), (16, 1161946), (32, 580973), (43, 432352), (59, 315104), (86, 216176), (118, 157552), (172, 108088), (229, 81184), (236, 78776), (344, 54044), (458, 40592), (472, 39388), (688, 27022), (916, 20296), (944, 19694), (1376, 13511), (1832, 10148), (1888, 9847), (2537, 7328), (3664, 5074)]