19816812

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2020

約数の個数: 60

約数和(自身を含む): 53503296

約数和(自身を除く): 33686484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 1973, 2511, 3348, 3946, 5022, 5919, 7892, 10044, 11838, 17757, 23676, 35514, 53271, 61163, 71028, 106542, 122326, 159813, 183489, 213084, 244652, 319626, 366978, 550467, 639252, 733956, 1100934, 1651401, 2201868, 3302802, 4954203, 6605604, 9908406, 19816812]

約数ペア:

[(1, 19816812), (2, 9908406), (3, 6605604), (4, 4954203), (6, 3302802), (9, 2201868), (12, 1651401), (18, 1100934), (27, 733956), (31, 639252), (36, 550467), (54, 366978), (62, 319626), (81, 244652), (93, 213084), (108, 183489), (124, 159813), (162, 122326), (186, 106542), (279, 71028), (324, 61163), (372, 53271), (558, 35514), (837, 23676), (1116, 17757), (1674, 11838), (1973, 10044), (2511, 7892), (3348, 5919), (3946, 5022)]