19914987

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{827}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 7905813

約数列:

[1, 3, 23, 69, 349, 827, 1047, 2481, 8027, 19021, 24081, 57063, 288623, 865869, 6638329, 19914987]

約数ペア:

[(1, 19914987), (3, 6638329), (23, 865869), (69, 288623), (349, 57063), (827, 24081), (1047, 19021), (2481, 8027)]