19611008

素因数分解:

$2^7\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 39270000

約数和(自身を除く): 19658992

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 349, 439, 698, 878, 1396, 1756, 2792, 3512, 5584, 7024, 11168, 14048, 22336, 28096, 44672, 56192, 153211, 306422, 612844, 1225688, 2451376, 4902752, 9805504, 19611008]

約数ペア:

[(1, 19611008), (2, 9805504), (4, 4902752), (8, 2451376), (16, 1225688), (32, 612844), (64, 306422), (128, 153211), (349, 56192), (439, 44672), (698, 28096), (878, 22336), (1396, 14048), (1756, 11168), (2792, 7024), (3512, 5584)]