19952440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10613}}^1$

素因数の和:10671

約数の個数: 32

約数和(自身を含む): 45852480

約数和(自身を除く): 25900040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10613, 21226, 42452, 53065, 84904, 106130, 212260, 424520, 498811, 997622, 1995244, 2494055, 3990488, 4988110, 9976220, 19952440]

約数ペア:

[(1, 19952440), (2, 9976220), (4, 4988110), (5, 3990488), (8, 2494055), (10, 1995244), (20, 997622), (40, 498811), (47, 424520), (94, 212260), (188, 106130), (235, 84904), (376, 53065), (470, 42452), (940, 21226), (1880, 10613)]