19984896

素因数分解:

$2^9\times 3^2\times {\mathrm{4337}}^1$

素因数の和:4361

約数の個数: 60

約数和(自身を含む): 57691062

約数和(自身を除く): 37706166

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4337, 4608, 8674, 13011, 17348, 26022, 34696, 39033, 52044, 69392, 78066, 104088, 138784, 156132, 208176, 277568, 312264, 416352, 555136, 624528, 832704, 1110272, 1249056, 1665408, 2220544, 2498112, 3330816, 4996224, 6661632, 9992448, 19984896]

約数ペア:

[(1, 19984896), (2, 9992448), (3, 6661632), (4, 4996224), (6, 3330816), (8, 2498112), (9, 2220544), (12, 1665408), (16, 1249056), (18, 1110272), (24, 832704), (32, 624528), (36, 555136), (48, 416352), (64, 312264), (72, 277568), (96, 208176), (128, 156132), (144, 138784), (192, 104088), (256, 78066), (288, 69392), (384, 52044), (512, 39033), (576, 34696), (768, 26022), (1152, 17348), (1536, 13011), (2304, 8674), (4337, 4608)]