19985922

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 47575008

約数和(自身を除く): 27589086

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 193, 198, 386, 523, 579, 1046, 1158, 1569, 1737, 2123, 3138, 3474, 4246, 4707, 5753, 6369, 9414, 11506, 12738, 17259, 19107, 34518, 38214, 51777, 100939, 103554, 201878, 302817, 605634, 908451, 1110329, 1816902, 2220658, 3330987, 6661974, 9992961, 19985922]

約数ペア:

[(1, 19985922), (2, 9992961), (3, 6661974), (6, 3330987), (9, 2220658), (11, 1816902), (18, 1110329), (22, 908451), (33, 605634), (66, 302817), (99, 201878), (193, 103554), (198, 100939), (386, 51777), (523, 38214), (579, 34518), (1046, 19107), (1158, 17259), (1569, 12738), (1737, 11506), (2123, 9414), (3138, 6369), (3474, 5753), (4246, 4707)]