19935718

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7489}}^1$

素因数の和:7524

約数の個数: 16

約数和(自身を含む): 32896080

約数和(自身を除く): 12960362

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7489, 14978, 82379, 164758, 906169, 1812338, 9967859, 19935718]

約数ペア:

[(1, 19935718), (2, 9967859), (11, 1812338), (22, 906169), (121, 164758), (242, 82379), (1331, 14978), (2662, 7489)]