18129328

素因数分解:

$2^4\times 7^1\times {\mathrm{161869}}^1$

素因数の和:161884

約数の個数: 20

約数和(自身を含む): 40143760

約数和(自身を除く): 22014432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161869, 323738, 647476, 1133083, 1294952, 2266166, 2589904, 4532332, 9064664, 18129328]

約数ペア:

[(1, 18129328), (2, 9064664), (4, 4532332), (7, 2589904), (8, 2266166), (14, 1294952), (16, 1133083), (28, 647476), (56, 323738), (112, 161869)]