2019911715

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{318347}}^1$

素因数の和:318408

約数の個数: 32

約数和(自身を含む): 3667368960

約数和(自身を除く): 1647457245

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 318347, 955041, 1591735, 2865123, 4775205, 8595369, 14325615, 14962309, 42976845, 44886927, 74811545, 134660781, 224434635, 403982343, 673303905, 2019911715]

約数ペア:

[(1, 2019911715), (3, 673303905), (5, 403982343), (9, 224434635), (15, 134660781), (27, 74811545), (45, 44886927), (47, 42976845), (135, 14962309), (141, 14325615), (235, 8595369), (423, 4775205), (705, 2865123), (1269, 1591735), (2115, 955041), (6345, 318347)]