19663955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 24948000

約数和(自身を除く): 5284045

約数列:

[1, 5, 19, 95, 449, 461, 2245, 2305, 8531, 8759, 42655, 43795, 206989, 1034945, 3932791, 19663955]

約数ペア:

[(1, 19663955), (5, 3932791), (19, 1034945), (95, 206989), (449, 43795), (461, 42655), (2245, 8759), (2305, 8531)]