18142864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 37017720

約数和(自身を除く): 18874856

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 641, 976, 1282, 1769, 2564, 3538, 5128, 7076, 10256, 14152, 18589, 28304, 37178, 39101, 74356, 78202, 148712, 156404, 297424, 312808, 625616, 1133929, 2267858, 4535716, 9071432, 18142864]

約数ペア:

[(1, 18142864), (2, 9071432), (4, 4535716), (8, 2267858), (16, 1133929), (29, 625616), (58, 312808), (61, 297424), (116, 156404), (122, 148712), (232, 78202), (244, 74356), (464, 39101), (488, 37178), (641, 28304), (976, 18589), (1282, 14152), (1769, 10256), (2564, 7076), (3538, 5128)]