18221120

素因数分解:

$2^6\times 5^1\times {\mathrm{56941}}^1$

素因数の和:56958

約数の個数: 28

約数和(自身を含む): 43389804

約数和(自身を除く): 25168684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56941, 113882, 227764, 284705, 455528, 569410, 911056, 1138820, 1822112, 2277640, 3644224, 4555280, 9110560, 18221120]

約数ペア:

[(1, 18221120), (2, 9110560), (4, 4555280), (5, 3644224), (8, 2277640), (10, 1822112), (16, 1138820), (20, 911056), (32, 569410), (40, 455528), (64, 284705), (80, 227764), (160, 113882), (320, 56941)]