18804519965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{2089}}^1$

素因数の和:2442

約数の個数: 64

約数和(自身を含む): 28545454080

約数和(自身を除く): 9740934115

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 227, 385, 515, 721, 1133, 1135, 1589, 2089, 2497, 3605, 5665, 7931, 7945, 10445, 12485, 14623, 17479, 22979, 23381, 39655, 73115, 87395, 114895, 116905, 160853, 163667, 215167, 257191, 474203, 804265, 818335, 1075835, 1285955, 1506169, 1800337, 2366837, 2371015, 3319421, 5216233, 7530845, 9001685, 11834185, 16567859, 16597105, 26081165, 36513631, 48842909, 82839295, 182568155, 244214545, 341900363, 537271999, 1709501815, 2686359995, 3760903993, 18804519965]

約数ペア:

[(1, 18804519965), (5, 3760903993), (7, 2686359995), (11, 1709501815), (35, 537271999), (55, 341900363), (77, 244214545), (103, 182568155), (227, 82839295), (385, 48842909), (515, 36513631), (721, 26081165), (1133, 16597105), (1135, 16567859), (1589, 11834185), (2089, 9001685), (2497, 7530845), (3605, 5216233), (5665, 3319421), (7931, 2371015), (7945, 2366837), (10445, 1800337), (12485, 1506169), (14623, 1285955), (17479, 1075835), (22979, 818335), (23381, 804265), (39655, 474203), (73115, 257191), (87395, 215167), (114895, 163667), (116905, 160853)]