2018291728

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{557}}^1\times {\mathrm{4273}}^1$

素因数の和:4891

約数の個数: 40

約数和(自身を含む): 3992309208

約数和(自身を除く): 1974017480

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 557, 848, 1114, 2228, 4273, 4456, 8546, 8912, 17092, 29521, 34184, 59042, 68368, 118084, 226469, 236168, 452938, 472336, 905876, 1811752, 2380061, 3623504, 4760122, 9520244, 19040488, 38080976, 126143233, 252286466, 504572932, 1009145864, 2018291728]

約数ペア:

[(1, 2018291728), (2, 1009145864), (4, 504572932), (8, 252286466), (16, 126143233), (53, 38080976), (106, 19040488), (212, 9520244), (424, 4760122), (557, 3623504), (848, 2380061), (1114, 1811752), (2228, 905876), (4273, 472336), (4456, 452938), (8546, 236168), (8912, 226469), (17092, 118084), (29521, 68368), (34184, 59042)]