19180496

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9151}}^1$

素因数の和:9290

約数の個数: 20

約数和(自身を含む): 37449984

約数和(自身を除く): 18269488

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9151, 18302, 36604, 73208, 146416, 1198781, 2397562, 4795124, 9590248, 19180496]

約数ペア:

[(1, 19180496), (2, 9590248), (4, 4795124), (8, 2397562), (16, 1198781), (131, 146416), (262, 73208), (524, 36604), (1048, 18302), (2096, 9151)]