19019890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14519}}^1$

素因数の和:14657

約数の個数: 16

約数和(自身を含む): 34499520

約数和(自身を除く): 15479630

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 14519, 29038, 72595, 145190, 1901989, 3803978, 9509945, 19019890]

約数ペア:

[(1, 19019890), (2, 9509945), (5, 3803978), (10, 1901989), (131, 145190), (262, 72595), (655, 29038), (1310, 14519)]