19342971

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 29699280

約数和(自身を除く): 10356309

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2003, 3219, 6009, 9657, 18027, 58087, 74111, 174261, 222333, 522783, 666999, 2149219, 6447657, 19342971]

約数ペア:

[(1, 19342971), (3, 6447657), (9, 2149219), (29, 666999), (37, 522783), (87, 222333), (111, 174261), (261, 74111), (333, 58087), (1073, 18027), (2003, 9657), (3219, 6009)]