18727305

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 30914688

約数和(自身を除く): 12187383

約数列:

[1, 3, 5, 15, 61, 97, 183, 211, 291, 305, 485, 633, 915, 1055, 1455, 3165, 5917, 12871, 17751, 20467, 29585, 38613, 61401, 64355, 88755, 102335, 193065, 307005, 1248487, 3745461, 6242435, 18727305]

約数ペア:

[(1, 18727305), (3, 6242435), (5, 3745461), (15, 1248487), (61, 307005), (97, 193065), (183, 102335), (211, 88755), (291, 64355), (305, 61401), (485, 38613), (633, 29585), (915, 20467), (1055, 17751), (1455, 12871), (3165, 5917)]