19549995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42043}}^1$

素因数の和:42082

約数の個数: 16

約数和(自身を含む): 32289792

約数和(自身を除く): 12739797

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 42043, 126129, 210215, 630645, 1303333, 3909999, 6516665, 19549995]

約数ペア:

[(1, 19549995), (3, 6516665), (5, 3909999), (15, 1303333), (31, 630645), (93, 210215), (155, 126129), (465, 42043)]