19640358

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{14947}}^1$

素因数の和:15028

約数の個数: 24

約数和(自身を含む): 43139928

約数和(自身を除く): 23499570

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 14947, 29894, 44841, 89682, 134523, 269046, 1091131, 2182262, 3273393, 6546786, 9820179, 19640358]

約数ペア:

[(1, 19640358), (2, 9820179), (3, 6546786), (6, 3273393), (9, 2182262), (18, 1091131), (73, 269046), (146, 134523), (219, 89682), (438, 44841), (657, 29894), (1314, 14947)]