18965058

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 44470944

約数和(自身を除く): 25505886

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 251, 257, 294, 502, 514, 753, 771, 1506, 1542, 1757, 1799, 3514, 3598, 5271, 5397, 10542, 10794, 12299, 12593, 24598, 25186, 36897, 37779, 64507, 73794, 75558, 129014, 193521, 387042, 451549, 903098, 1354647, 2709294, 3160843, 6321686, 9482529, 18965058]

約数ペア:

[(1, 18965058), (2, 9482529), (3, 6321686), (6, 3160843), (7, 2709294), (14, 1354647), (21, 903098), (42, 451549), (49, 387042), (98, 193521), (147, 129014), (251, 75558), (257, 73794), (294, 64507), (502, 37779), (514, 36897), (753, 25186), (771, 24598), (1506, 12593), (1542, 12299), (1757, 10794), (1799, 10542), (3514, 5397), (3598, 5271)]