19815616

素因数分解:

$2^6\times {\mathrm{269}}^1\times {\mathrm{1151}}^1$

素因数の和:1432

約数の個数: 28

約数和(自身を含む): 39502080

約数和(自身を除く): 19686464

約数列:

[1, 2, 4, 8, 16, 32, 64, 269, 538, 1076, 1151, 2152, 2302, 4304, 4604, 8608, 9208, 17216, 18416, 36832, 73664, 309619, 619238, 1238476, 2476952, 4953904, 9907808, 19815616]

約数ペア:

[(1, 19815616), (2, 9907808), (4, 4953904), (8, 2476952), (16, 1238476), (32, 619238), (64, 309619), (269, 73664), (538, 36832), (1076, 18416), (1151, 17216), (2152, 9208), (2302, 8608), (4304, 4604)]