19422800

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:900

約数の個数: 60

約数和(自身を含む): 47511840

約数和(自身を除く): 28089040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 823, 944, 1180, 1475, 1646, 2360, 2950, 3292, 4115, 4720, 5900, 6584, 8230, 11800, 13168, 16460, 20575, 23600, 32920, 41150, 48557, 65840, 82300, 97114, 164600, 194228, 242785, 329200, 388456, 485570, 776912, 971140, 1213925, 1942280, 2427850, 3884560, 4855700, 9711400, 19422800]

約数ペア:

[(1, 19422800), (2, 9711400), (4, 4855700), (5, 3884560), (8, 2427850), (10, 1942280), (16, 1213925), (20, 971140), (25, 776912), (40, 485570), (50, 388456), (59, 329200), (80, 242785), (100, 194228), (118, 164600), (200, 97114), (236, 82300), (295, 65840), (400, 48557), (472, 41150), (590, 32920), (823, 23600), (944, 20575), (1180, 16460), (1475, 13168), (1646, 11800), (2360, 8230), (2950, 6584), (3292, 5900), (4115, 4720)]