19964706839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1741}}^1\times {\mathrm{148927}}^1$

素因数の和:150686

約数の個数: 16

約数和(自身を含む): 24905527296

約数和(自身を除く): 4940820457

約数列:

[1, 7, 11, 77, 1741, 12187, 19151, 134057, 148927, 1042489, 1638197, 11467379, 259281907, 1814973349, 2852100977, 19964706839]

約数ペア:

[(1, 19964706839), (7, 2852100977), (11, 1814973349), (77, 259281907), (1741, 11467379), (12187, 1638197), (19151, 1042489), (134057, 148927)]