19201226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{1109}}^1$

素因数の和:1909

約数の個数: 16

約数和(自身を含む): 31488480

約数和(自身を除く): 12287254

約数列:

[1, 2, 11, 22, 787, 1109, 1574, 2218, 8657, 12199, 17314, 24398, 872783, 1745566, 9600613, 19201226]

約数ペア:

[(1, 19201226), (2, 9600613), (11, 1745566), (22, 872783), (787, 24398), (1109, 17314), (1574, 12199), (2218, 8657)]