19847187

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4153}}^1$

素因数の和:4224

約数の個数: 20

約数和(自身を含む): 30158040

約数和(自身を除く): 10310853

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4153, 4779, 12459, 37377, 112131, 245027, 336393, 735081, 2205243, 6615729, 19847187]

約数ペア:

[(1, 19847187), (3, 6615729), (9, 2205243), (27, 735081), (59, 336393), (81, 245027), (177, 112131), (531, 37377), (1593, 12459), (4153, 4779)]