18527866

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9521}}^1$

素因数の和:9669

約数の個数: 16

約数和(自身を含む): 31993920

約数和(自身を除く): 13466054

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9521, 19042, 66647, 133294, 1323419, 2646838, 9263933, 18527866]

約数ペア:

[(1, 18527866), (2, 9263933), (7, 2646838), (14, 1323419), (139, 133294), (278, 66647), (973, 19042), (1946, 9521)]