19936624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65581}}^1$

素因数の和:65608

約数の個数: 20

約数和(自身を含む): 40660840

約数和(自身を除く): 20724216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65581, 131162, 262324, 524648, 1049296, 1246039, 2492078, 4984156, 9968312, 19936624]

約数ペア:

[(1, 19936624), (2, 9968312), (4, 4984156), (8, 2492078), (16, 1246039), (19, 1049296), (38, 524648), (76, 262324), (152, 131162), (304, 65581)]