19984808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131479}}^1$

素因数の和:131504

約数の個数: 16

約数和(自身を含む): 39444000

約数和(自身を除く): 19459192

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131479, 262958, 525916, 1051832, 2498101, 4996202, 9992404, 19984808]

約数ペア:

[(1, 19984808), (2, 9992404), (4, 4996202), (8, 2498101), (19, 1051832), (38, 525916), (76, 262958), (152, 131479)]