19384540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138461}}^1$

素因数の和:138477

約数の個数: 24

約数和(自身を含む): 46523232

約数和(自身を除く): 27138692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138461, 276922, 553844, 692305, 969227, 1384610, 1938454, 2769220, 3876908, 4846135, 9692270, 19384540]

約数ペア:

[(1, 19384540), (2, 9692270), (4, 4846135), (5, 3876908), (7, 2769220), (10, 1938454), (14, 1384610), (20, 969227), (28, 692305), (35, 553844), (70, 276922), (140, 138461)]