18306924

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{21487}}^1$

素因数の和:21565

約数の個数: 24

約数和(自身を含む): 43319808

約数和(自身を除く): 25012884

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 21487, 42974, 64461, 85948, 128922, 257844, 1525577, 3051154, 4576731, 6102308, 9153462, 18306924]

約数ペア:

[(1, 18306924), (2, 9153462), (3, 6102308), (4, 4576731), (6, 3051154), (12, 1525577), (71, 257844), (142, 128922), (213, 85948), (284, 64461), (426, 42974), (852, 21487)]