19958902869

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 28270315584

約数和(自身を除く): 8311412715

約数列:

[1, 3, 41, 53, 61, 123, 159, 183, 947, 2173, 2501, 2809, 2841, 3233, 6519, 7503, 8427, 9699, 38827, 50191, 57767, 115169, 116481, 132553, 150573, 171349, 173301, 345507, 397659, 514047, 2057831, 2368447, 2660123, 3061651, 6173493, 7025309, 7105341, 7980369, 9184953, 21075927, 109065043, 125527691, 162267503, 327195129, 376583073, 486802509, 6652967623, 19958902869]

約数ペア:

[(1, 19958902869), (3, 6652967623), (41, 486802509), (53, 376583073), (61, 327195129), (123, 162267503), (159, 125527691), (183, 109065043), (947, 21075927), (2173, 9184953), (2501, 7980369), (2809, 7105341), (2841, 7025309), (3233, 6173493), (6519, 3061651), (7503, 2660123), (8427, 2368447), (9699, 2057831), (38827, 514047), (50191, 397659), (57767, 345507), (115169, 173301), (116481, 171349), (132553, 150573)]