18238304

素因数分解:

$2^5\times 7^1\times {\mathrm{81421}}^1$

素因数の和:81438

約数の個数: 24

約数和(自身を含む): 41036688

約数和(自身を除く): 22798384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 81421, 162842, 325684, 569947, 651368, 1139894, 1302736, 2279788, 2605472, 4559576, 9119152, 18238304]

約数ペア:

[(1, 18238304), (2, 9119152), (4, 4559576), (7, 2605472), (8, 2279788), (14, 1302736), (16, 1139894), (28, 651368), (32, 569947), (56, 325684), (112, 162842), (224, 81421)]