19511704355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{145931}}^1$

素因数の和:145988

約数の個数: 48

約数和(自身を含む): 29346341472

約数和(自身を除く): 9834637117

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 121, 143, 187, 221, 605, 715, 935, 1105, 1573, 2057, 2431, 7865, 10285, 12155, 26741, 133705, 145931, 729655, 1605241, 1897103, 2480827, 8026205, 9485515, 12404135, 17657651, 20868133, 27289097, 32250751, 88288255, 104340665, 136445485, 161253755, 229549463, 300180067, 354758261, 1147747315, 1500900335, 1773791305, 3902340871, 19511704355]

約数ペア:

[(1, 19511704355), (5, 3902340871), (11, 1773791305), (13, 1500900335), (17, 1147747315), (55, 354758261), (65, 300180067), (85, 229549463), (121, 161253755), (143, 136445485), (187, 104340665), (221, 88288255), (605, 32250751), (715, 27289097), (935, 20868133), (1105, 17657651), (1573, 12404135), (2057, 9485515), (2431, 8026205), (7865, 2480827), (10285, 1897103), (12155, 1605241), (26741, 729655), (133705, 145931)]