19211804

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{5711}}^1$

素因数の和:5773

約数の個数: 18

約数和(自身を含む): 34826064

約数和(自身を除く): 15614260

約数列:

[1, 2, 4, 29, 58, 116, 841, 1682, 3364, 5711, 11422, 22844, 165619, 331238, 662476, 4802951, 9605902, 19211804]

約数ペア:

[(1, 19211804), (2, 9605902), (4, 4802951), (29, 662476), (58, 331238), (116, 165619), (841, 22844), (1682, 11422), (3364, 5711)]