19998184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 39780000

約数和(自身を除く): 19781816

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 883, 1192, 1766, 2831, 3532, 5662, 7064, 11324, 16777, 22648, 33554, 67108, 131567, 134216, 263134, 526268, 1052536, 2499773, 4999546, 9999092, 19998184]

約数ペア:

[(1, 19998184), (2, 9999092), (4, 4999546), (8, 2499773), (19, 1052536), (38, 526268), (76, 263134), (149, 134216), (152, 131567), (298, 67108), (596, 33554), (883, 22648), (1192, 16777), (1766, 11324), (2831, 7064), (3532, 5662)]