19727949

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1609}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 27151040

約数和(自身を除く): 7423091

約数列:

[1, 3, 61, 67, 183, 201, 1609, 4087, 4827, 12261, 98149, 107803, 294447, 323409, 6575983, 19727949]

約数ペア:

[(1, 19727949), (3, 6575983), (61, 323409), (67, 294447), (183, 107803), (201, 98149), (1609, 12261), (4087, 4827)]