21974808188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{314627}}^1$

素因数の和:315569

約数の個数: 24

約数和(自身を含む): 40524086400

約数和(自身を除く): 18549278212

約数列:

[1, 2, 4, 19, 38, 76, 919, 1838, 3676, 17461, 34922, 69844, 314627, 629254, 1258508, 5977913, 11955826, 23911652, 289142213, 578284426, 1156568852, 5493702047, 10987404094, 21974808188]

約数ペア:

[(1, 21974808188), (2, 10987404094), (4, 5493702047), (19, 1156568852), (38, 578284426), (76, 289142213), (919, 23911652), (1838, 11955826), (3676, 5977913), (17461, 1258508), (34922, 629254), (69844, 314627)]