19979968355

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1061917}}^1$

素因数の和:1062046

約数の個数: 16

約数和(自身を含む): 24772423104

約数和(自身を除く): 4792454749

約数列:

[1, 5, 53, 71, 265, 355, 3763, 18815, 1061917, 5309585, 56281601, 75396107, 281408005, 376980535, 3995993671, 19979968355]

約数ペア:

[(1, 19979968355), (5, 3995993671), (53, 376980535), (71, 281408005), (265, 75396107), (355, 56281601), (3763, 5309585), (18815, 1061917)]