18518164

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6421}}^1$

素因数の和:6535

約数の個数: 24

約数和(自身を含む): 37401728

約数和(自身を除く): 18883564

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 6421, 12842, 25684, 44947, 89894, 179788, 661363, 1322726, 2645452, 4629541, 9259082, 18518164]

約数ペア:

[(1, 18518164), (2, 9259082), (4, 4629541), (7, 2645452), (14, 1322726), (28, 661363), (103, 179788), (206, 89894), (412, 44947), (721, 25684), (1442, 12842), (2884, 6421)]