19415379

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 26357760

約数和(自身を除く): 6942381

約数列:

[1, 3, 127, 131, 381, 389, 393, 1167, 16637, 49403, 49911, 50959, 148209, 152877, 6471793, 19415379]

約数ペア:

[(1, 19415379), (3, 6471793), (127, 152877), (131, 148209), (381, 50959), (389, 49911), (393, 49403), (1167, 16637)]