18197270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20024

約数の個数: 32

約数和(自身を含む): 40315968

約数和(自身を除く): 22118698

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 19997, 39994, 99985, 139979, 199970, 259961, 279958, 519922, 699895, 1299805, 1399790, 1819727, 2599610, 3639454, 9098635, 18197270]

約数ペア:

[(1, 18197270), (2, 9098635), (5, 3639454), (7, 2599610), (10, 1819727), (13, 1399790), (14, 1299805), (26, 699895), (35, 519922), (65, 279958), (70, 259961), (91, 199970), (130, 139979), (182, 99985), (455, 39994), (910, 19997)]