16421738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3109}}^1$

素因数の和:3269

約数の個数: 16

約数和(自身を含む): 26124000

約数和(自身を除く): 9702262

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3109, 5282, 6218, 59071, 118142, 432151, 864302, 8210869, 16421738]

約数ペア:

[(1, 16421738), (2, 8210869), (19, 864302), (38, 432151), (139, 118142), (278, 59071), (2641, 6218), (3109, 5282)]