19661187

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72019}}^1$

素因数の和:72042

約数の個数: 16

約数和(自身を含む): 32264960

約数和(自身を除く): 12603773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72019, 216057, 504133, 936247, 1512399, 2808741, 6553729, 19661187]

約数ペア:

[(1, 19661187), (3, 6553729), (7, 2808741), (13, 1512399), (21, 936247), (39, 504133), (91, 216057), (273, 72019)]