19150180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19541}}^1$

素因数の和:19564

約数の個数: 36

約数和(自身を含む): 46783548

約数和(自身を除く): 27633368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19541, 39082, 78164, 97705, 136787, 195410, 273574, 390820, 547148, 683935, 957509, 1367870, 1915018, 2735740, 3830036, 4787545, 9575090, 19150180]

約数ペア:

[(1, 19150180), (2, 9575090), (4, 4787545), (5, 3830036), (7, 2735740), (10, 1915018), (14, 1367870), (20, 957509), (28, 683935), (35, 547148), (49, 390820), (70, 273574), (98, 195410), (140, 136787), (196, 97705), (245, 78164), (490, 39082), (980, 19541)]