19315760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2909}}^1$

素因数の和:3005

約数の個数: 40

約数和(自身を含む): 45465840

約数和(自身を除く): 26150080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2909, 3320, 5818, 6640, 11636, 14545, 23272, 29090, 46544, 58180, 116360, 232720, 241447, 482894, 965788, 1207235, 1931576, 2414470, 3863152, 4828940, 9657880, 19315760]

約数ペア:

[(1, 19315760), (2, 9657880), (4, 4828940), (5, 3863152), (8, 2414470), (10, 1931576), (16, 1207235), (20, 965788), (40, 482894), (80, 241447), (83, 232720), (166, 116360), (332, 58180), (415, 46544), (664, 29090), (830, 23272), (1328, 14545), (1660, 11636), (2909, 6640), (3320, 5818)]