19203040

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 45641232

約数和(自身を除く): 26438192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 467, 514, 934, 1028, 1285, 1868, 2056, 2335, 2570, 3736, 4112, 4670, 5140, 7472, 8224, 9340, 10280, 14944, 18680, 20560, 37360, 41120, 74720, 120019, 240038, 480076, 600095, 960152, 1200190, 1920304, 2400380, 3840608, 4800760, 9601520, 19203040]

約数ペア:

[(1, 19203040), (2, 9601520), (4, 4800760), (5, 3840608), (8, 2400380), (10, 1920304), (16, 1200190), (20, 960152), (32, 600095), (40, 480076), (80, 240038), (160, 120019), (257, 74720), (467, 41120), (514, 37360), (934, 20560), (1028, 18680), (1285, 14944), (1868, 10280), (2056, 9340), (2335, 8224), (2570, 7472), (3736, 5140), (4112, 4670)]