19707260

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9209}}^1$

素因数の和:9325

約数の個数: 24

約数和(自身を含む): 41776560

約数和(自身を除く): 22069300

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9209, 18418, 36836, 46045, 92090, 184180, 985363, 1970726, 3941452, 4926815, 9853630, 19707260]

約数ペア:

[(1, 19707260), (2, 9853630), (4, 4926815), (5, 3941452), (10, 1970726), (20, 985363), (107, 184180), (214, 92090), (428, 46045), (535, 36836), (1070, 18418), (2140, 9209)]