19112870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 39624768

約数和(自身を除く): 20511898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 1993, 3986, 4795, 9590, 9965, 13951, 19930, 27902, 69755, 139510, 273041, 546082, 1365205, 1911287, 2730410, 3822574, 9556435, 19112870]

約数ペア:

[(1, 19112870), (2, 9556435), (5, 3822574), (7, 2730410), (10, 1911287), (14, 1365205), (35, 546082), (70, 273041), (137, 139510), (274, 69755), (685, 27902), (959, 19930), (1370, 13951), (1918, 9965), (1993, 9590), (3986, 4795)]