19925415

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9421}}^1$

素因数の和:9479

約数の個数: 24

約数和(自身を含む): 35275968

約数和(自身を除く): 15350553

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9421, 28263, 47105, 84789, 141315, 423945, 442787, 1328361, 2213935, 3985083, 6641805, 19925415]

約数ペア:

[(1, 19925415), (3, 6641805), (5, 3985083), (9, 2213935), (15, 1328361), (45, 442787), (47, 423945), (141, 141315), (235, 84789), (423, 47105), (705, 28263), (2115, 9421)]