19125963

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{607}}^1$

素因数の和:1008

約数の個数: 20

約数和(自身を含む): 28691520

約数和(自身を除く): 9565557

約数列:

[1, 3, 9, 27, 81, 389, 607, 1167, 1821, 3501, 5463, 10503, 16389, 31509, 49167, 236123, 708369, 2125107, 6375321, 19125963]

約数ペア:

[(1, 19125963), (3, 6375321), (9, 2125107), (27, 708369), (81, 236123), (389, 49167), (607, 31509), (1167, 16389), (1821, 10503), (3501, 5463)]