20185789986

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21159109}}^1$

素因数の和:21159170

約数の個数: 24

約数和(自身を含む): 44561085660

約数和(自身を除く): 24375295674

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21159109, 42318218, 63477327, 126954654, 190431981, 380863962, 1121432777, 2242865554, 3364298331, 6728596662, 10092894993, 20185789986]

約数ペア:

[(1, 20185789986), (2, 10092894993), (3, 6728596662), (6, 3364298331), (9, 2242865554), (18, 1121432777), (53, 380863962), (106, 190431981), (159, 126954654), (318, 63477327), (477, 42318218), (954, 21159109)]