19945512

素因数分解:

$2^3\times 3^2\times {\mathrm{277021}}^1$

素因数の和:277033

約数の個数: 24

約数和(自身を含む): 54019290

約数和(自身を除く): 34073778

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277021, 554042, 831063, 1108084, 1662126, 2216168, 2493189, 3324252, 4986378, 6648504, 9972756, 19945512]

約数ペア:

[(1, 19945512), (2, 9972756), (3, 6648504), (4, 4986378), (6, 3324252), (8, 2493189), (9, 2216168), (12, 1662126), (18, 1108084), (24, 831063), (36, 554042), (72, 277021)]