17919489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 29102080

約数和(自身を除く): 11182591

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 463, 679, 1389, 1843, 2037, 3241, 5529, 8797, 9723, 12901, 26391, 38703, 44911, 61579, 134733, 184737, 314377, 853309, 943131, 2559927, 5973163, 17919489]

約数ペア:

[(1, 17919489), (3, 5973163), (7, 2559927), (19, 943131), (21, 853309), (57, 314377), (97, 184737), (133, 134733), (291, 61579), (399, 44911), (463, 38703), (679, 26391), (1389, 12901), (1843, 9723), (2037, 8797), (3241, 5529)]