19643090

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15467}}^1$

素因数の和:15601

約数の個数: 16

約数和(自身を含む): 35638272

約数和(自身を除く): 15995182

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15467, 30934, 77335, 154670, 1964309, 3928618, 9821545, 19643090]

約数ペア:

[(1, 19643090), (2, 9821545), (5, 3928618), (10, 1964309), (127, 154670), (254, 77335), (635, 30934), (1270, 15467)]