19797260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3449}}^1$

素因数の和:3506

約数の個数: 48

約数和(自身を含む): 48686400

約数和(自身を除く): 28889140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3449, 5740, 6898, 13796, 17245, 24143, 34490, 48286, 68980, 96572, 120715, 141409, 241430, 282818, 482860, 565636, 707045, 989863, 1414090, 1979726, 2828180, 3959452, 4949315, 9898630, 19797260]

約数ペア:

[(1, 19797260), (2, 9898630), (4, 4949315), (5, 3959452), (7, 2828180), (10, 1979726), (14, 1414090), (20, 989863), (28, 707045), (35, 565636), (41, 482860), (70, 282818), (82, 241430), (140, 141409), (164, 120715), (205, 96572), (287, 68980), (410, 48286), (574, 34490), (820, 24143), (1148, 17245), (1435, 13796), (2870, 6898), (3449, 5740)]