19209858908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{488701}}^1$

素因数の和:489053

約数の個数: 24

約数和(自身を含む): 34811220864

約数和(自身を除く): 15601361956

約数列:

[1, 2, 4, 31, 62, 124, 317, 634, 1268, 9827, 19654, 39308, 488701, 977402, 1954804, 15149731, 30299462, 60598924, 154918217, 309836434, 619672868, 4802464727, 9604929454, 19209858908]

約数ペア:

[(1, 19209858908), (2, 9604929454), (4, 4802464727), (31, 619672868), (62, 309836434), (124, 154918217), (317, 60598924), (634, 30299462), (1268, 15149731), (9827, 1954804), (19654, 977402), (39308, 488701)]