19086620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136333}}^1$

素因数の和:136349

約数の個数: 24

約数和(自身を含む): 45808224

約数和(自身を除く): 26721604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136333, 272666, 545332, 681665, 954331, 1363330, 1908662, 2726660, 3817324, 4771655, 9543310, 19086620]

約数ペア:

[(1, 19086620), (2, 9543310), (4, 4771655), (5, 3817324), (7, 2726660), (10, 1908662), (14, 1363330), (20, 954331), (28, 681665), (35, 545332), (70, 272666), (140, 136333)]