19931560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 29601560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 467, 485, 776, 934, 970, 1067, 1868, 1940, 2134, 2335, 3736, 3880, 4268, 4670, 5137, 5335, 8536, 9340, 10274, 10670, 18680, 20548, 21340, 25685, 41096, 42680, 45299, 51370, 90598, 102740, 181196, 205480, 226495, 362392, 452990, 498289, 905980, 996578, 1811960, 1993156, 2491445, 3986312, 4982890, 9965780, 19931560]

約数ペア:

[(1, 19931560), (2, 9965780), (4, 4982890), (5, 3986312), (8, 2491445), (10, 1993156), (11, 1811960), (20, 996578), (22, 905980), (40, 498289), (44, 452990), (55, 362392), (88, 226495), (97, 205480), (110, 181196), (194, 102740), (220, 90598), (388, 51370), (440, 45299), (467, 42680), (485, 41096), (776, 25685), (934, 21340), (970, 20548), (1067, 18680), (1868, 10670), (1940, 10274), (2134, 9340), (2335, 8536), (3736, 5335), (3880, 5137), (4268, 4670)]