19340825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 29402880

約数和(自身を除く): 10062055

約数列:

[1, 5, 7, 25, 29, 35, 37, 103, 145, 175, 185, 203, 259, 515, 721, 725, 925, 1015, 1073, 1295, 2575, 2987, 3605, 3811, 5075, 5365, 6475, 7511, 14935, 18025, 19055, 20909, 26677, 26825, 37555, 74675, 95275, 104545, 110519, 133385, 187775, 522725, 552595, 666925, 773633, 2762975, 3868165, 19340825]

約数ペア:

[(1, 19340825), (5, 3868165), (7, 2762975), (25, 773633), (29, 666925), (35, 552595), (37, 522725), (103, 187775), (145, 133385), (175, 110519), (185, 104545), (203, 95275), (259, 74675), (515, 37555), (721, 26825), (725, 26677), (925, 20909), (1015, 19055), (1073, 18025), (1295, 14935), (2575, 7511), (2987, 6475), (3605, 5365), (3811, 5075)]