19217584

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8641}}^1$

素因数の和:8788

約数の個数: 20

約数和(自身を含む): 37506280

約数和(自身を除く): 18288696

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8641, 17282, 34564, 69128, 138256, 1201099, 2402198, 4804396, 9608792, 19217584]

約数ペア:

[(1, 19217584), (2, 9608792), (4, 4804396), (8, 2402198), (16, 1201099), (139, 138256), (278, 69128), (556, 34564), (1112, 17282), (2224, 8641)]