19538560

素因数分解:

$2^7\times 5^1\times {\mathrm{30529}}^1$

素因数の和:30548

約数の個数: 32

約数和(自身を含む): 46710900

約数和(自身を除く): 27172340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30529, 61058, 122116, 152645, 244232, 305290, 488464, 610580, 976928, 1221160, 1953856, 2442320, 3907712, 4884640, 9769280, 19538560]

約数ペア:

[(1, 19538560), (2, 9769280), (4, 4884640), (5, 3907712), (8, 2442320), (10, 1953856), (16, 1221160), (20, 976928), (32, 610580), (40, 488464), (64, 305290), (80, 244232), (128, 152645), (160, 122116), (320, 61058), (640, 30529)]