19856140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52253}}^1$

素因数の和:52281

約数の個数: 24

約数和(自身を含む): 43893360

約数和(自身を除く): 24037220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52253, 104506, 209012, 261265, 522530, 992807, 1045060, 1985614, 3971228, 4964035, 9928070, 19856140]

約数ペア:

[(1, 19856140), (2, 9928070), (4, 4964035), (5, 3971228), (10, 1985614), (19, 1045060), (20, 992807), (38, 522530), (76, 261265), (95, 209012), (190, 104506), (380, 52253)]