1821985628

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{571}}^1\times {\mathrm{5081}}^1$

素因数の和:5813

約数の個数: 24

約数和(自身を含む): 3215035824

約数和(自身を除く): 1393050196

約数列:

[1, 2, 4, 157, 314, 571, 628, 1142, 2284, 5081, 10162, 20324, 89647, 179294, 358588, 797717, 1595434, 2901251, 3190868, 5802502, 11605004, 455496407, 910992814, 1821985628]

約数ペア:

[(1, 1821985628), (2, 910992814), (4, 455496407), (157, 11605004), (314, 5802502), (571, 3190868), (628, 2901251), (1142, 1595434), (2284, 797717), (5081, 358588), (10162, 179294), (20324, 89647)]