19458423

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 28986048

約数和(自身を除く): 9527625

約数列:

[1, 3, 9, 47, 141, 157, 293, 423, 471, 879, 1413, 2637, 7379, 13771, 22137, 41313, 46001, 66411, 123939, 138003, 414009, 2162047, 6486141, 19458423]

約数ペア:

[(1, 19458423), (3, 6486141), (9, 2162047), (47, 414009), (141, 138003), (157, 123939), (293, 66411), (423, 46001), (471, 41313), (879, 22137), (1413, 13771), (2637, 7379)]