18905486

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 28987728

約数和(自身を除く): 10082242

約数列:

[1, 2, 61, 122, 241, 482, 643, 1286, 14701, 29402, 39223, 78446, 154963, 309926, 9452743, 18905486]

約数ペア:

[(1, 18905486), (2, 9452743), (61, 309926), (122, 154963), (241, 78446), (482, 39223), (643, 29402), (1286, 14701)]