19871396

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 35985600

約数和(自身を除く): 16114204

約数列:

[1, 2, 4, 53, 67, 106, 134, 212, 268, 1399, 2798, 3551, 5596, 7102, 14204, 74147, 93733, 148294, 187466, 296588, 374932, 4967849, 9935698, 19871396]

約数ペア:

[(1, 19871396), (2, 9935698), (4, 4967849), (53, 374932), (67, 296588), (106, 187466), (134, 148294), (212, 93733), (268, 74147), (1399, 14204), (2798, 7102), (3551, 5596)]