20219251107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{618269}}^1$

素因数の和:619274

約数の個数: 16

約数和(自身を含む): 29439544320

約数和(自身を除く): 9220293213

約数列:

[1, 3, 11, 33, 991, 2973, 10901, 32703, 618269, 1854807, 6800959, 20402877, 612704579, 1838113737, 6739750369, 20219251107]

約数ペア:

[(1, 20219251107), (3, 6739750369), (11, 1838113737), (33, 612704579), (991, 20402877), (2973, 6800959), (10901, 1854807), (32703, 618269)]