19957908

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{22783}}^1$

素因数の和:22863

約数の個数: 24

約数和(自身を含む): 47208448

約数和(自身を除く): 27250540

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 22783, 45566, 68349, 91132, 136698, 273396, 1663159, 3326318, 4989477, 6652636, 9978954, 19957908]

約数ペア:

[(1, 19957908), (2, 9978954), (3, 6652636), (4, 4989477), (6, 3326318), (12, 1663159), (73, 273396), (146, 136698), (219, 91132), (292, 68349), (438, 45566), (876, 22783)]