19349187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 13745469

約数列:

[1, 3, 11, 13, 23, 33, 37, 39, 53, 69, 111, 143, 159, 253, 299, 407, 429, 481, 583, 689, 759, 851, 897, 1219, 1221, 1443, 1749, 1961, 2067, 2553, 3289, 3657, 5291, 5883, 7579, 9361, 9867, 11063, 13409, 15847, 15873, 21571, 22737, 25493, 28083, 33189, 40227, 45103, 47541, 64713, 76479, 121693, 135309, 174317, 280423, 365079, 496133, 522951, 586339, 841269, 1488399, 1759017, 6449729, 19349187]

約数ペア:

[(1, 19349187), (3, 6449729), (11, 1759017), (13, 1488399), (23, 841269), (33, 586339), (37, 522951), (39, 496133), (53, 365079), (69, 280423), (111, 174317), (143, 135309), (159, 121693), (253, 76479), (299, 64713), (407, 47541), (429, 45103), (481, 40227), (583, 33189), (689, 28083), (759, 25493), (851, 22737), (897, 21571), (1219, 15873), (1221, 15847), (1443, 13409), (1749, 11063), (1961, 9867), (2067, 9361), (2553, 7579), (3289, 5883), (3657, 5291)]