19371275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 31069440

約数和(自身を除く): 11698165

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 145, 175, 203, 275, 319, 347, 385, 725, 1015, 1595, 1735, 1925, 2233, 2429, 3817, 5075, 7975, 8675, 10063, 11165, 12145, 19085, 26719, 50315, 55825, 60725, 70441, 95425, 110693, 133595, 251575, 352205, 553465, 667975, 774851, 1761025, 2767325, 3874255, 19371275]

約数ペア:

[(1, 19371275), (5, 3874255), (7, 2767325), (11, 1761025), (25, 774851), (29, 667975), (35, 553465), (55, 352205), (77, 251575), (145, 133595), (175, 110693), (203, 95425), (275, 70441), (319, 60725), (347, 55825), (385, 50315), (725, 26719), (1015, 19085), (1595, 12145), (1735, 11165), (1925, 10063), (2233, 8675), (2429, 7975), (3817, 5075)]