19320280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69001}}^1$

素因数の和:69019

約数の個数: 32

約数和(自身を含む): 49681440

約数和(自身を除く): 30361160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69001, 138002, 276004, 345005, 483007, 552008, 690010, 966014, 1380020, 1932028, 2415035, 2760040, 3864056, 4830070, 9660140, 19320280]

約数ペア:

[(1, 19320280), (2, 9660140), (4, 4830070), (5, 3864056), (7, 2760040), (8, 2415035), (10, 1932028), (14, 1380020), (20, 966014), (28, 690010), (35, 552008), (40, 483007), (56, 345005), (70, 276004), (140, 138002), (280, 69001)]