19802574

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 47309184

約数和(自身を除く): 27506610

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 103, 198, 206, 309, 618, 927, 971, 1133, 1854, 1942, 2266, 2913, 3399, 5826, 6798, 8739, 10197, 10681, 17478, 20394, 21362, 32043, 64086, 96129, 100013, 192258, 200026, 300039, 600078, 900117, 1100143, 1800234, 2200286, 3300429, 6600858, 9901287, 19802574]

約数ペア:

[(1, 19802574), (2, 9901287), (3, 6600858), (6, 3300429), (9, 2200286), (11, 1800234), (18, 1100143), (22, 900117), (33, 600078), (66, 300039), (99, 200026), (103, 192258), (198, 100013), (206, 96129), (309, 64086), (618, 32043), (927, 21362), (971, 20394), (1133, 17478), (1854, 10681), (1942, 10197), (2266, 8739), (2913, 6798), (3399, 5826)]