15680624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{51581}}^1$

素因数の和:51608

約数の個数: 20

約数和(自身を含む): 31980840

約数和(自身を除く): 16300216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 51581, 103162, 206324, 412648, 825296, 980039, 1960078, 3920156, 7840312, 15680624]

約数ペア:

[(1, 15680624), (2, 7840312), (4, 3920156), (8, 1960078), (16, 980039), (19, 825296), (38, 412648), (76, 206324), (152, 103162), (304, 51581)]