19864089

素因数分解:

$3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 33853440

約数和(自身を除く): 13989351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 227, 463, 681, 1389, 1589, 2043, 3241, 4167, 4767, 6129, 9723, 12501, 14301, 29169, 42903, 87507, 105101, 315303, 735707, 945909, 2207121, 2837727, 6621363, 19864089]

約数ペア:

[(1, 19864089), (3, 6621363), (7, 2837727), (9, 2207121), (21, 945909), (27, 735707), (63, 315303), (189, 105101), (227, 87507), (463, 42903), (681, 29169), (1389, 14301), (1589, 12501), (2043, 9723), (3241, 6129), (4167, 4767)]