19966330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 38285136

約数和(自身を除く): 18318806

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 457, 514, 914, 1285, 2285, 2570, 4369, 4570, 7769, 8738, 15538, 21845, 38845, 43690, 77690, 117449, 234898, 587245, 1174490, 1996633, 3993266, 9983165, 19966330]

約数ペア:

[(1, 19966330), (2, 9983165), (5, 3993266), (10, 1996633), (17, 1174490), (34, 587245), (85, 234898), (170, 117449), (257, 77690), (457, 43690), (514, 38845), (914, 21845), (1285, 15538), (2285, 8738), (2570, 7769), (4369, 4570)]