18718574

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9619}}^1$

素因数の和:9767

約数の個数: 16

約数和(自身を含む): 32323200

約数和(自身を除く): 13604626

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9619, 19238, 67333, 134666, 1337041, 2674082, 9359287, 18718574]

約数ペア:

[(1, 18718574), (2, 9359287), (7, 2674082), (14, 1337041), (139, 134666), (278, 67333), (973, 19238), (1946, 9619)]