19249329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3863}}^1$

素因数の和:4028

約数の個数: 16

約数和(自身を含む): 28191744

約数和(自身を除く): 8942415

約数列:

[1, 3, 11, 33, 151, 453, 1661, 3863, 4983, 11589, 42493, 127479, 583313, 1749939, 6416443, 19249329]

約数ペア:

[(1, 19249329), (3, 6416443), (11, 1749939), (33, 583313), (151, 127479), (453, 42493), (1661, 11589), (3863, 4983)]