19405089

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 32757120

約数和(自身を除く): 13352031

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 751, 783, 891, 957, 2253, 2349, 2871, 6759, 8261, 8613, 20277, 21779, 24783, 25839, 60831, 65337, 74349, 196011, 223047, 239569, 588033, 669141, 718707, 1764099, 2156121, 6468363, 19405089]

約数ペア:

[(1, 19405089), (3, 6468363), (9, 2156121), (11, 1764099), (27, 718707), (29, 669141), (33, 588033), (81, 239569), (87, 223047), (99, 196011), (261, 74349), (297, 65337), (319, 60831), (751, 25839), (783, 24783), (891, 21779), (957, 20277), (2253, 8613), (2349, 8261), (2871, 6759)]