19980530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48733}}^1$

素因数の和:48781

約数の個数: 16

約数和(自身を含む): 36842904

約数和(自身を除く): 16862374

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48733, 97466, 243665, 487330, 1998053, 3996106, 9990265, 19980530]

約数ペア:

[(1, 19980530), (2, 9990265), (5, 3996106), (10, 1998053), (41, 487330), (82, 243665), (205, 97466), (410, 48733)]