18529408

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 39056310

約数和(自身を除く): 20526902

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 361, 401, 608, 722, 802, 1216, 1444, 1604, 2432, 2888, 3208, 5776, 6416, 7619, 11552, 12832, 15238, 23104, 25664, 30476, 46208, 51328, 60952, 121904, 144761, 243808, 289522, 487616, 579044, 975232, 1158088, 2316176, 4632352, 9264704, 18529408]

約数ペア:

[(1, 18529408), (2, 9264704), (4, 4632352), (8, 2316176), (16, 1158088), (19, 975232), (32, 579044), (38, 487616), (64, 289522), (76, 243808), (128, 144761), (152, 121904), (304, 60952), (361, 51328), (401, 46208), (608, 30476), (722, 25664), (802, 23104), (1216, 15238), (1444, 12832), (1604, 11552), (2432, 7619), (2888, 6416), (3208, 5776)]