18386480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32833}}^1$

素因数の和:32853

約数の個数: 40

約数和(自身を含む): 48856992

約数和(自身を除く): 30470512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32833, 65666, 131332, 164165, 229831, 262664, 328330, 459662, 525328, 656660, 919324, 1149155, 1313320, 1838648, 2298310, 2626640, 3677296, 4596620, 9193240, 18386480]

約数ペア:

[(1, 18386480), (2, 9193240), (4, 4596620), (5, 3677296), (7, 2626640), (8, 2298310), (10, 1838648), (14, 1313320), (16, 1149155), (20, 919324), (28, 656660), (35, 525328), (40, 459662), (56, 328330), (70, 262664), (80, 229831), (112, 164165), (140, 131332), (280, 65666), (560, 32833)]