18929121820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135208013}}^1$

素因数の和:135208029

約数の個数: 24

約数和(自身を含む): 45429892704

約数和(自身を除く): 26500770884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135208013, 270416026, 540832052, 676040065, 946456091, 1352080130, 1892912182, 2704160260, 3785824364, 4732280455, 9464560910, 18929121820]

約数ペア:

[(1, 18929121820), (2, 9464560910), (4, 4732280455), (5, 3785824364), (7, 2704160260), (10, 1892912182), (14, 1352080130), (20, 946456091), (28, 676040065), (35, 540832052), (70, 270416026), (140, 135208013)]