20191168881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211229}}^1$

素因数の和:211310

約数の個数: 48

約数和(自身を含む): 33830596800

約数和(自身を除く): 13639427919

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 247, 387, 559, 741, 817, 1677, 2223, 2451, 5031, 7353, 10621, 31863, 95589, 211229, 633687, 1901061, 2745977, 4013351, 8237931, 9082847, 12040053, 24713793, 27248541, 36120159, 52173563, 81745623, 118077011, 156520689, 172574093, 354231033, 469562067, 517722279, 1062693099, 1553166837, 2243463209, 6730389627, 20191168881]

約数ペア:

[(1, 20191168881), (3, 6730389627), (9, 2243463209), (13, 1553166837), (19, 1062693099), (39, 517722279), (43, 469562067), (57, 354231033), (117, 172574093), (129, 156520689), (171, 118077011), (247, 81745623), (387, 52173563), (559, 36120159), (741, 27248541), (817, 24713793), (1677, 12040053), (2223, 9082847), (2451, 8237931), (5031, 4013351), (7353, 2745977), (10621, 1901061), (31863, 633687), (95589, 211229)]