19616810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 37616400

約数和(自身を除く): 17999590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 449, 514, 898, 1285, 2245, 2570, 4369, 4490, 7633, 8738, 15266, 21845, 38165, 43690, 76330, 115393, 230786, 576965, 1153930, 1961681, 3923362, 9808405, 19616810]

約数ペア:

[(1, 19616810), (2, 9808405), (5, 3923362), (10, 1961681), (17, 1153930), (34, 576965), (85, 230786), (170, 115393), (257, 76330), (449, 43690), (514, 38165), (898, 21845), (1285, 15266), (2245, 8738), (2570, 7633), (4369, 4490)]