19961060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8387}}^1$

素因数の和:8420

約数の個数: 48

約数和(自身を含む): 50730624

約数和(自身を除く): 30769564

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8387, 16774, 33548, 41935, 58709, 83870, 117418, 142579, 167740, 234836, 285158, 293545, 570316, 587090, 712895, 998053, 1174180, 1425790, 1996106, 2851580, 3992212, 4990265, 9980530, 19961060]

約数ペア:

[(1, 19961060), (2, 9980530), (4, 4990265), (5, 3992212), (7, 2851580), (10, 1996106), (14, 1425790), (17, 1174180), (20, 998053), (28, 712895), (34, 587090), (35, 570316), (68, 293545), (70, 285158), (85, 234836), (119, 167740), (140, 142579), (170, 117418), (238, 83870), (340, 58709), (476, 41935), (595, 33548), (1190, 16774), (2380, 8387)]