20189356509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1\times {\mathrm{8237}}^1$

素因数の和:14409

約数の個数: 32

約数和(自身を含む): 32393134080

約数和(自身を除く): 12203777571

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6143, 8237, 18429, 24711, 43001, 57659, 116717, 129003, 156503, 172977, 350151, 469509, 817019, 1095521, 2451057, 3286563, 50599891, 151799673, 354199237, 961397929, 1062597711, 2884193787, 6729785503, 20189356509]

約数ペア:

[(1, 20189356509), (3, 6729785503), (7, 2884193787), (19, 1062597711), (21, 961397929), (57, 354199237), (133, 151799673), (399, 50599891), (6143, 3286563), (8237, 2451057), (18429, 1095521), (24711, 817019), (43001, 469509), (57659, 350151), (116717, 172977), (129003, 156503)]