19925547

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20563}}^1$

素因数の和:20602

約数の個数: 16

約数和(自身を含む): 29612160

約数和(自身を除く): 9686613

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20563, 61689, 349571, 390697, 1048713, 1172091, 6641849, 19925547]

約数ペア:

[(1, 19925547), (3, 6641849), (17, 1172091), (19, 1048713), (51, 390697), (57, 349571), (323, 61689), (969, 20563)]