19991744

素因数分解:

$2^6\times {\mathrm{312371}}^1$

素因数の和:312383

約数の個数: 14

約数和(自身を含む): 39671244

約数和(自身を除く): 19679500

約数列:

[1, 2, 4, 8, 16, 32, 64, 312371, 624742, 1249484, 2498968, 4997936, 9995872, 19991744]

約数ペア:

[(1, 19991744), (2, 9995872), (4, 4997936), (8, 2498968), (16, 1249484), (32, 624742), (64, 312371)]