19828755

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4951}}^1$

素因数の和:5051

約数の個数: 24

約数和(自身を含む): 34763040

約数和(自身を除く): 14934285

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 4951, 14853, 24755, 44559, 74265, 222795, 440639, 1321917, 2203195, 3965751, 6609585, 19828755]

約数ペア:

[(1, 19828755), (3, 6609585), (5, 3965751), (9, 2203195), (15, 1321917), (45, 440639), (89, 222795), (267, 74265), (445, 44559), (801, 24755), (1335, 14853), (4005, 4951)]