19339980915

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 31842570240

約数和(自身を除く): 12502589325

約数列:

[1, 3, 5, 15, 79, 103, 193, 237, 309, 395, 515, 579, 821, 965, 1185, 1545, 2463, 2895, 4105, 8137, 12315, 15247, 19879, 24411, 40685, 45741, 59637, 64859, 76235, 84563, 99395, 122055, 158453, 194577, 228705, 253689, 298185, 324295, 422815, 475359, 792265, 972885, 1268445, 1570441, 2376795, 4711323, 6680477, 7852205, 12517787, 16320659, 20041431, 23556615, 33402385, 37553361, 48961977, 62588935, 81603295, 100207155, 187766805, 244809885, 1289332061, 3867996183, 6446660305, 19339980915]

約数ペア:

[(1, 19339980915), (3, 6446660305), (5, 3867996183), (15, 1289332061), (79, 244809885), (103, 187766805), (193, 100207155), (237, 81603295), (309, 62588935), (395, 48961977), (515, 37553361), (579, 33402385), (821, 23556615), (965, 20041431), (1185, 16320659), (1545, 12517787), (2463, 7852205), (2895, 6680477), (4105, 4711323), (8137, 2376795), (12315, 1570441), (15247, 1268445), (19879, 972885), (24411, 792265), (40685, 475359), (45741, 422815), (59637, 324295), (64859, 298185), (76235, 253689), (84563, 228705), (99395, 194577), (122055, 158453)]