1915662460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{5087}}^1$

素因数の和:6106

約数の個数: 48

約数和(自身を含む): 4239728640

約数和(自身を除く): 2324066180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 991, 1982, 3964, 4955, 5087, 9910, 10174, 18829, 19820, 20348, 25435, 37658, 50870, 75316, 94145, 96653, 101740, 188290, 193306, 376580, 386612, 483265, 966530, 1933060, 5041217, 10082434, 20164868, 25206085, 50412170, 95783123, 100824340, 191566246, 383132492, 478915615, 957831230, 1915662460]

約数ペア:

[(1, 1915662460), (2, 957831230), (4, 478915615), (5, 383132492), (10, 191566246), (19, 100824340), (20, 95783123), (38, 50412170), (76, 25206085), (95, 20164868), (190, 10082434), (380, 5041217), (991, 1933060), (1982, 966530), (3964, 483265), (4955, 386612), (5087, 376580), (9910, 193306), (10174, 188290), (18829, 101740), (19820, 96653), (20348, 94145), (25435, 75316), (37658, 50870)]