19985676

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^2$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 49534632

約数和(自身を除く): 29548956

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 313, 626, 939, 1252, 1878, 3756, 5321, 10642, 15963, 21284, 31926, 63852, 97969, 195938, 293907, 391876, 587814, 1175628, 1665473, 3330946, 4996419, 6661892, 9992838, 19985676]

約数ペア:

[(1, 19985676), (2, 9992838), (3, 6661892), (4, 4996419), (6, 3330946), (12, 1665473), (17, 1175628), (34, 587814), (51, 391876), (68, 293907), (102, 195938), (204, 97969), (313, 63852), (626, 31926), (939, 21284), (1252, 15963), (1878, 10642), (3756, 5321)]