19939645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19081}}^1$

素因数の和:19116

約数の個数: 16

約数和(自身を含む): 27478080

約数和(自身を除く): 7538435

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19081, 95405, 209891, 362539, 1049455, 1812695, 3987929, 19939645]

約数ペア:

[(1, 19939645), (5, 3987929), (11, 1812695), (19, 1049455), (55, 362539), (95, 209891), (209, 95405), (1045, 19081)]