19954977

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17929}}^1$

素因数の和:17992

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 11028063

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17929, 53787, 125503, 376509, 950237, 2850711, 6651659, 19954977]

約数ペア:

[(1, 19954977), (3, 6651659), (7, 2850711), (21, 950237), (53, 376509), (159, 125503), (371, 53787), (1113, 17929)]