19946073

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17921}}^1$

素因数の和:17984

約数の個数: 16

約数和(自身を含む): 30969216

約数和(自身を除く): 11023143

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17921, 53763, 125447, 376341, 949813, 2849439, 6648691, 19946073]

約数ペア:

[(1, 19946073), (3, 6648691), (7, 2849439), (21, 949813), (53, 376341), (159, 125447), (371, 53763), (1113, 17921)]