19028480

素因数分解:

$2^9\times 5^1\times {\mathrm{7433}}^1$

素因数の和:7456

約数の個数: 40

約数和(自身を含む): 45629892

約数和(自身を除く): 26601412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7433, 14866, 29732, 37165, 59464, 74330, 118928, 148660, 237856, 297320, 475712, 594640, 951424, 1189280, 1902848, 2378560, 3805696, 4757120, 9514240, 19028480]

約数ペア:

[(1, 19028480), (2, 9514240), (4, 4757120), (5, 3805696), (8, 2378560), (10, 1902848), (16, 1189280), (20, 951424), (32, 594640), (40, 475712), (64, 297320), (80, 237856), (128, 148660), (160, 118928), (256, 74330), (320, 59464), (512, 37165), (640, 29732), (1280, 14866), (2560, 7433)]