18808468

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9461}}^1$

素因数の和:9543

約数の個数: 24

約数和(自身を含む): 38150784

約数和(自身を除く): 19342316

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9461, 18922, 37844, 66227, 132454, 264908, 671731, 1343462, 2686924, 4702117, 9404234, 18808468]

約数ペア:

[(1, 18808468), (2, 9404234), (4, 4702117), (7, 2686924), (14, 1343462), (28, 671731), (71, 264908), (142, 132454), (284, 66227), (497, 37844), (994, 18922), (1988, 9461)]