19040007

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4297}}^1$

素因数の和:4518

約数の個数: 16

約数和(自身を含む): 29157632

約数和(自身を除く): 10117625

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4297, 4431, 12891, 30079, 90237, 906667, 2720001, 6346669, 19040007]

約数ペア:

[(1, 19040007), (3, 6346669), (7, 2720001), (21, 906667), (211, 90237), (633, 30079), (1477, 12891), (4297, 4431)]