19119681

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15973}}^1$

素因数の和:16005

約数の個数: 24

約数和(自身を含む): 33225920

約数和(自身を除く): 14106239

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15973, 47919, 111811, 143757, 303487, 335433, 910461, 1006299, 2124409, 2731383, 6373227, 19119681]

約数ペア:

[(1, 19119681), (3, 6373227), (7, 2731383), (9, 2124409), (19, 1006299), (21, 910461), (57, 335433), (63, 303487), (133, 143757), (171, 111811), (399, 47919), (1197, 15973)]