19139025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{883}}^1$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 33652112

約数和(自身を除く): 14513087

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 883, 1275, 1445, 2649, 4335, 4415, 7225, 13245, 15011, 21675, 22075, 45033, 66225, 75055, 225165, 255187, 375275, 765561, 1125825, 1275935, 3827805, 6379675, 19139025]

約数ペア:

[(1, 19139025), (3, 6379675), (5, 3827805), (15, 1275935), (17, 1125825), (25, 765561), (51, 375275), (75, 255187), (85, 225165), (255, 75055), (289, 66225), (425, 45033), (867, 22075), (883, 21675), (1275, 15011), (1445, 13245), (2649, 7225), (4335, 4415)]