20183890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2658

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19007150

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2591, 3895, 5182, 7790, 12955, 25910, 49229, 98458, 106231, 212462, 246145, 492290, 531155, 1062310, 2018389, 4036778, 10091945, 20183890]

約数ペア:

[(1, 20183890), (2, 10091945), (5, 4036778), (10, 2018389), (19, 1062310), (38, 531155), (41, 492290), (82, 246145), (95, 212462), (190, 106231), (205, 98458), (410, 49229), (779, 25910), (1558, 12955), (2591, 7790), (3895, 5182)]