19131460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56269}}^1$

素因数の和:56295

約数の個数: 24

約数和(自身を含む): 42540120

約数和(自身を除く): 23408660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56269, 112538, 225076, 281345, 562690, 956573, 1125380, 1913146, 3826292, 4782865, 9565730, 19131460]

約数ペア:

[(1, 19131460), (2, 9565730), (4, 4782865), (5, 3826292), (10, 1913146), (17, 1125380), (20, 956573), (34, 562690), (68, 281345), (85, 225076), (170, 112538), (340, 56269)]