18806401912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{44053}}^1$

素因数の和:44192

約数の個数: 64

約数和(自身を含む): 38728752480

約数和(自身を除く): 19922350568

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 73, 86, 136, 146, 172, 292, 344, 584, 731, 1241, 1462, 2482, 2924, 3139, 4964, 5848, 6278, 9928, 12556, 25112, 44053, 53363, 88106, 106726, 176212, 213452, 352424, 426904, 748901, 1497802, 1894279, 2995604, 3215869, 3788558, 5991208, 6431738, 7577116, 12863476, 15154232, 25726952, 32202743, 54669773, 64405486, 109339546, 128810972, 138282367, 218679092, 257621944, 276564734, 437358184, 553129468, 1106258936, 2350800239, 4701600478, 9403200956, 18806401912]

約数ペア:

[(1, 18806401912), (2, 9403200956), (4, 4701600478), (8, 2350800239), (17, 1106258936), (34, 553129468), (43, 437358184), (68, 276564734), (73, 257621944), (86, 218679092), (136, 138282367), (146, 128810972), (172, 109339546), (292, 64405486), (344, 54669773), (584, 32202743), (731, 25726952), (1241, 15154232), (1462, 12863476), (2482, 7577116), (2924, 6431738), (3139, 5991208), (4964, 3788558), (5848, 3215869), (6278, 2995604), (9928, 1894279), (12556, 1497802), (25112, 748901), (44053, 426904), (53363, 352424), (88106, 213452), (106726, 176212)]