19948894952

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{699863}}^1$

素因数の和:700385

約数の個数: 32

約数和(自身を含む): 42831676800

約数和(自身を除く): 22882781848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 1018, 2036, 3563, 4072, 7126, 14252, 28504, 699863, 1399726, 2799452, 4899041, 5598904, 9798082, 19596164, 39192328, 356230267, 712460534, 1424921068, 2493611869, 2849842136, 4987223738, 9974447476, 19948894952]

約数ペア:

[(1, 19948894952), (2, 9974447476), (4, 4987223738), (7, 2849842136), (8, 2493611869), (14, 1424921068), (28, 712460534), (56, 356230267), (509, 39192328), (1018, 19596164), (2036, 9798082), (3563, 5598904), (4072, 4899041), (7126, 2799452), (14252, 1399726), (28504, 699863)]