19022920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67939}}^1$

素因数の和:67957

約数の個数: 32

約数和(自身を含む): 48916800

約数和(自身を除く): 29893880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67939, 135878, 271756, 339695, 475573, 543512, 679390, 951146, 1358780, 1902292, 2377865, 2717560, 3804584, 4755730, 9511460, 19022920]

約数ペア:

[(1, 19022920), (2, 9511460), (4, 4755730), (5, 3804584), (7, 2717560), (8, 2377865), (10, 1902292), (14, 1358780), (20, 951146), (28, 679390), (35, 543512), (40, 475573), (56, 339695), (70, 271756), (140, 135878), (280, 67939)]