18185728

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3229}}^1$

素因数の和:3258

約数の個数: 40

約数和(自身を含む): 39651480

約数和(自身を除く): 21465752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3229, 5632, 6458, 12916, 25832, 35519, 51664, 71038, 103328, 142076, 206656, 284152, 413312, 568304, 826624, 1136608, 1653248, 2273216, 4546432, 9092864, 18185728]

約数ペア:

[(1, 18185728), (2, 9092864), (4, 4546432), (8, 2273216), (11, 1653248), (16, 1136608), (22, 826624), (32, 568304), (44, 413312), (64, 284152), (88, 206656), (128, 142076), (176, 103328), (256, 71038), (352, 51664), (512, 35519), (704, 25832), (1408, 12916), (2816, 6458), (3229, 5632)]