19799450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{35999}}^1$

素因数の和:36022

約数の個数: 24

約数和(自身を含む): 40176000

約数和(自身を除く): 20376550

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 35999, 71998, 179995, 359990, 395989, 791978, 899975, 1799950, 1979945, 3959890, 9899725, 19799450]

約数ペア:

[(1, 19799450), (2, 9899725), (5, 3959890), (10, 1979945), (11, 1799950), (22, 899975), (25, 791978), (50, 395989), (55, 359990), (110, 179995), (275, 71998), (550, 35999)]