19271985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3559}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 32552640

約数和(自身を除く): 13280655

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3559, 5415, 10677, 17795, 53385, 67621, 202863, 338105, 1014315, 1284799, 3854397, 6423995, 19271985]

約数ペア:

[(1, 19271985), (3, 6423995), (5, 3854397), (15, 1284799), (19, 1014315), (57, 338105), (95, 202863), (285, 67621), (361, 53385), (1083, 17795), (1805, 10677), (3559, 5415)]