19891650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{132611}}^1$

素因数の和:132626

約数の個数: 24

約数和(自身を含む): 49331664

約数和(自身を除く): 29440014

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 132611, 265222, 397833, 663055, 795666, 1326110, 1989165, 3315275, 3978330, 6630550, 9945825, 19891650]

約数ペア:

[(1, 19891650), (2, 9945825), (3, 6630550), (5, 3978330), (6, 3315275), (10, 1989165), (15, 1326110), (25, 795666), (30, 663055), (50, 397833), (75, 265222), (150, 132611)]