19075881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 10599639

約数列:

[1, 3, 11, 29, 31, 33, 87, 93, 319, 341, 643, 899, 957, 1023, 1929, 2697, 7073, 9889, 18647, 19933, 21219, 29667, 55941, 59799, 205117, 219263, 578057, 615351, 657789, 1734171, 6358627, 19075881]

約数ペア:

[(1, 19075881), (3, 6358627), (11, 1734171), (29, 657789), (31, 615351), (33, 578057), (87, 219263), (93, 205117), (319, 59799), (341, 55941), (643, 29667), (899, 21219), (957, 19933), (1023, 18647), (1929, 9889), (2697, 7073)]