19274240

素因数分解:

$2^9\times 5^1\times {\mathrm{7529}}^1$

素因数の和:7552

約数の個数: 40

約数和(自身を含む): 46219140

約数和(自身を除く): 26944900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7529, 15058, 30116, 37645, 60232, 75290, 120464, 150580, 240928, 301160, 481856, 602320, 963712, 1204640, 1927424, 2409280, 3854848, 4818560, 9637120, 19274240]

約数ペア:

[(1, 19274240), (2, 9637120), (4, 4818560), (5, 3854848), (8, 2409280), (10, 1927424), (16, 1204640), (20, 963712), (32, 602320), (40, 481856), (64, 301160), (80, 240928), (128, 150580), (160, 120464), (256, 75290), (320, 60232), (512, 37645), (640, 30116), (1280, 15058), (2560, 7529)]