19740952

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 46886400

約数和(自身を除く): 27145448

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 73, 77, 88, 146, 154, 292, 308, 439, 511, 584, 616, 803, 878, 1022, 1606, 1756, 2044, 3073, 3212, 3512, 4088, 4829, 5621, 6146, 6424, 9658, 11242, 12292, 19316, 22484, 24584, 32047, 33803, 38632, 44968, 64094, 67606, 128188, 135212, 224329, 256376, 270424, 352517, 448658, 705034, 897316, 1410068, 1794632, 2467619, 2820136, 4935238, 9870476, 19740952]

約数ペア:

[(1, 19740952), (2, 9870476), (4, 4935238), (7, 2820136), (8, 2467619), (11, 1794632), (14, 1410068), (22, 897316), (28, 705034), (44, 448658), (56, 352517), (73, 270424), (77, 256376), (88, 224329), (146, 135212), (154, 128188), (292, 67606), (308, 64094), (439, 44968), (511, 38632), (584, 33803), (616, 32047), (803, 24584), (878, 22484), (1022, 19316), (1606, 12292), (1756, 11242), (2044, 9658), (3073, 6424), (3212, 6146), (3512, 5621), (4088, 4829)]