19885684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54631}}^1$

素因数の和:54655

約数の個数: 24

約数和(自身を含む): 42831488

約数和(自身を除く): 22945804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54631, 109262, 218524, 382417, 710203, 764834, 1420406, 1529668, 2840812, 4971421, 9942842, 19885684]

約数ペア:

[(1, 19885684), (2, 9942842), (4, 4971421), (7, 2840812), (13, 1529668), (14, 1420406), (26, 764834), (28, 710203), (52, 382417), (91, 218524), (182, 109262), (364, 54631)]