19977708

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{72383}}^1$

素因数の和:72413

約数の個数: 24

約数和(自身を含む): 48642048

約数和(自身を除く): 28664340

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 72383, 144766, 217149, 289532, 434298, 868596, 1664809, 3329618, 4994427, 6659236, 9988854, 19977708]

約数ペア:

[(1, 19977708), (2, 9988854), (3, 6659236), (4, 4994427), (6, 3329618), (12, 1664809), (23, 868596), (46, 434298), (69, 289532), (92, 217149), (138, 144766), (276, 72383)]