19894767

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8117}}^1$

素因数の和:8182

約数の個数: 16

約数和(自身を含む): 28575360

約数和(自身を除く): 8680593

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8117, 24351, 154223, 349031, 462669, 1047093, 6631589, 19894767]

約数ペア:

[(1, 19894767), (3, 6631589), (19, 1047093), (43, 462669), (57, 349031), (129, 154223), (817, 24351), (2451, 8117)]