19095020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136393}}^1$

素因数の和:136409

約数の個数: 24

約数和(自身を含む): 45828384

約数和(自身を除く): 26733364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136393, 272786, 545572, 681965, 954751, 1363930, 1909502, 2727860, 3819004, 4773755, 9547510, 19095020]

約数ペア:

[(1, 19095020), (2, 9547510), (4, 4773755), (5, 3819004), (7, 2727860), (10, 1909502), (14, 1363930), (20, 954751), (28, 681965), (35, 545572), (70, 272786), (140, 136393)]