19008976

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1907}}^1$

素因数の和:2011

約数の個数: 40

約数和(自身を含む): 42586560

約数和(自身を除く): 23577584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 1907, 2492, 3814, 4984, 7628, 9968, 13349, 15256, 26698, 30512, 53396, 106792, 169723, 213584, 339446, 678892, 1188061, 1357784, 2376122, 2715568, 4752244, 9504488, 19008976]

約数ペア:

[(1, 19008976), (2, 9504488), (4, 4752244), (7, 2715568), (8, 2376122), (14, 1357784), (16, 1188061), (28, 678892), (56, 339446), (89, 213584), (112, 169723), (178, 106792), (356, 53396), (623, 30512), (712, 26698), (1246, 15256), (1424, 13349), (1907, 9968), (2492, 7628), (3814, 4984)]