18916142

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10639}}^1$

素因数の和:10775

約数の個数: 16

約数和(自身を含む): 32686080

約数和(自身を除く): 13769938

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 10639, 21278, 74473, 148946, 1351153, 2702306, 9458071, 18916142]

約数ペア:

[(1, 18916142), (2, 9458071), (7, 2702306), (14, 1351153), (127, 148946), (254, 74473), (889, 21278), (1778, 10639)]