19256860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 46480896

約数和(自身を除く): 27224036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 523, 526, 1046, 1052, 1315, 1841, 2092, 2615, 2630, 3661, 3682, 5230, 5260, 7322, 7364, 9205, 10460, 14644, 18305, 18410, 36610, 36820, 73220, 137549, 275098, 550196, 687745, 962843, 1375490, 1925686, 2750980, 3851372, 4814215, 9628430, 19256860]

約数ペア:

[(1, 19256860), (2, 9628430), (4, 4814215), (5, 3851372), (7, 2750980), (10, 1925686), (14, 1375490), (20, 962843), (28, 687745), (35, 550196), (70, 275098), (140, 137549), (263, 73220), (523, 36820), (526, 36610), (1046, 18410), (1052, 18305), (1315, 14644), (1841, 10460), (2092, 9205), (2615, 7364), (2630, 7322), (3661, 5260), (3682, 5230)]