19127820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10993}}^1$

素因数の和:11034

約数の個数: 48

約数和(自身を含む): 55409760

約数和(自身を除く): 36281940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10993, 21986, 32979, 43972, 54965, 65958, 109930, 131916, 164895, 219860, 318797, 329790, 637594, 659580, 956391, 1275188, 1593985, 1912782, 3187970, 3825564, 4781955, 6375940, 9563910, 19127820]

約数ペア:

[(1, 19127820), (2, 9563910), (3, 6375940), (4, 4781955), (5, 3825564), (6, 3187970), (10, 1912782), (12, 1593985), (15, 1275188), (20, 956391), (29, 659580), (30, 637594), (58, 329790), (60, 318797), (87, 219860), (116, 164895), (145, 131916), (174, 109930), (290, 65958), (348, 54965), (435, 43972), (580, 32979), (870, 21986), (1740, 10993)]