19789681

素因数分解:

${\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{739}}^1$

素因数の和:1239

約数の個数: 8

約数和(自身を含む): 20187200

約数和(自身を除く): 397519

約数列:

[1, 61, 439, 739, 26779, 45079, 324421, 19789681]

約数ペア:

[(1, 19789681), (61, 324421), (439, 45079), (739, 26779)]