19193781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 9191499

約数列:

[1, 3, 19, 41, 43, 57, 123, 129, 191, 573, 779, 817, 1763, 2337, 2451, 3629, 5289, 7831, 8213, 10887, 23493, 24639, 33497, 100491, 148789, 156047, 336733, 446367, 468141, 1010199, 6397927, 19193781]

約数ペア:

[(1, 19193781), (3, 6397927), (19, 1010199), (41, 468141), (43, 446367), (57, 336733), (123, 156047), (129, 148789), (191, 100491), (573, 33497), (779, 24639), (817, 23493), (1763, 10887), (2337, 8213), (2451, 7831), (3629, 5289)]