18939232

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 22020848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 859, 1378, 1696, 1718, 2756, 3436, 5512, 6872, 11024, 11167, 13744, 22048, 22334, 27488, 44668, 45527, 89336, 91054, 178672, 182108, 357344, 364216, 591851, 728432, 1183702, 1456864, 2367404, 4734808, 9469616, 18939232]

約数ペア:

[(1, 18939232), (2, 9469616), (4, 4734808), (8, 2367404), (13, 1456864), (16, 1183702), (26, 728432), (32, 591851), (52, 364216), (53, 357344), (104, 182108), (106, 178672), (208, 91054), (212, 89336), (416, 45527), (424, 44668), (689, 27488), (848, 22334), (859, 22048), (1378, 13744), (1696, 11167), (1718, 11024), (2756, 6872), (3436, 5512)]