31819186

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 61067520

約数和(自身を除く): 29248334

約数列:

[1, 2, 7, 14, 19, 37, 38, 53, 61, 74, 106, 122, 133, 259, 266, 371, 427, 518, 703, 742, 854, 1007, 1159, 1406, 1961, 2014, 2257, 2318, 3233, 3922, 4514, 4921, 6466, 7049, 8113, 9842, 13727, 14098, 15799, 16226, 22631, 27454, 31598, 37259, 42883, 45262, 61427, 74518, 85766, 119621, 122854, 239242, 260813, 300181, 429989, 521626, 600362, 837347, 859978, 1674694, 2272799, 4545598, 15909593, 31819186]

約数ペア:

[(1, 31819186), (2, 15909593), (7, 4545598), (14, 2272799), (19, 1674694), (37, 859978), (38, 837347), (53, 600362), (61, 521626), (74, 429989), (106, 300181), (122, 260813), (133, 239242), (259, 122854), (266, 119621), (371, 85766), (427, 74518), (518, 61427), (703, 45262), (742, 42883), (854, 37259), (1007, 31598), (1159, 27454), (1406, 22631), (1961, 16226), (2014, 15799), (2257, 14098), (2318, 13727), (3233, 9842), (3922, 8113), (4514, 7049), (4921, 6466)]