19009899

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5851}}^1$

素因数の和:5895

約数の個数: 18

約数和(自身を含む): 28984956

約数和(自身を除く): 9975057

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5851, 17553, 52659, 111169, 333507, 1000521, 2112211, 6336633, 19009899]

約数ペア:

[(1, 19009899), (3, 6336633), (9, 2112211), (19, 1000521), (57, 333507), (171, 111169), (361, 52659), (1083, 17553), (3249, 5851)]