19890750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2411}}^1$

素因数の和:2442

約数の個数: 64

約数和(自身を含む): 54183168

約数和(自身を除く): 34292418

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 750, 825, 1375, 1650, 2411, 2750, 4125, 4822, 7233, 8250, 12055, 14466, 24110, 26521, 36165, 53042, 60275, 72330, 79563, 120550, 132605, 159126, 180825, 265210, 301375, 361650, 397815, 602750, 663025, 795630, 904125, 1326050, 1808250, 1989075, 3315125, 3978150, 6630250, 9945375, 19890750]

約数ペア:

[(1, 19890750), (2, 9945375), (3, 6630250), (5, 3978150), (6, 3315125), (10, 1989075), (11, 1808250), (15, 1326050), (22, 904125), (25, 795630), (30, 663025), (33, 602750), (50, 397815), (55, 361650), (66, 301375), (75, 265210), (110, 180825), (125, 159126), (150, 132605), (165, 120550), (250, 79563), (275, 72330), (330, 60275), (375, 53042), (550, 36165), (750, 26521), (825, 24110), (1375, 14466), (1650, 12055), (2411, 8250), (2750, 7233), (4125, 4822)]