19335988

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2164

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 20883212

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2099, 2303, 4198, 4606, 8396, 9212, 14693, 29386, 58772, 98653, 102851, 197306, 205702, 394612, 411404, 690571, 1381142, 2762284, 4833997, 9667994, 19335988]

約数ペア:

[(1, 19335988), (2, 9667994), (4, 4833997), (7, 2762284), (14, 1381142), (28, 690571), (47, 411404), (49, 394612), (94, 205702), (98, 197306), (188, 102851), (196, 98653), (329, 58772), (658, 29386), (1316, 14693), (2099, 9212), (2303, 8396), (4198, 4606)]