18788308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61001}}^1$

素因数の和:61023

約数の個数: 24

約数和(自身を含む): 40993344

約数和(自身を除く): 22205036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61001, 122002, 244004, 427007, 671011, 854014, 1342022, 1708028, 2684044, 4697077, 9394154, 18788308]

約数ペア:

[(1, 18788308), (2, 9394154), (4, 4697077), (7, 2684044), (11, 1708028), (14, 1342022), (22, 854014), (28, 671011), (44, 427007), (77, 244004), (154, 122002), (308, 61001)]