2019487779

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{21491}}^1$

素因数の和:21747

約数の個数: 24

約数和(自身を含む): 2987302032

約数和(自身を除く): 967814253

約数列:

[1, 3, 9, 53, 159, 197, 477, 591, 1773, 10441, 21491, 31323, 64473, 93969, 193419, 1139023, 3417069, 4233727, 10251207, 12701181, 38103543, 224387531, 673162593, 2019487779]

約数ペア:

[(1, 2019487779), (3, 673162593), (9, 224387531), (53, 38103543), (159, 12701181), (197, 10251207), (477, 4233727), (591, 3417069), (1773, 1139023), (10441, 193419), (21491, 93969), (31323, 64473)]