19921474

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 30440448

約数和(自身を除く): 10518974

約数列:

[1, 2, 107, 127, 214, 254, 733, 1466, 13589, 27178, 78431, 93091, 156862, 186182, 9960737, 19921474]

約数ペア:

[(1, 19921474), (2, 9960737), (107, 186182), (127, 156862), (214, 93091), (254, 78431), (733, 27178), (1466, 13589)]