19884968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146213}}^1$

素因数の和:146236

約数の個数: 16

約数和(自身を含む): 39477780

約数和(自身を除く): 19592812

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146213, 292426, 584852, 1169704, 2485621, 4971242, 9942484, 19884968]

約数ペア:

[(1, 19884968), (2, 9942484), (4, 4971242), (8, 2485621), (17, 1169704), (34, 584852), (68, 292426), (136, 146213)]