19479719454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{622793}}^1$

素因数の和:623212

約数の個数: 32

約数和(自身を含む): 42061015584

約数和(自身を除く): 22581296130

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 401, 802, 1203, 2406, 5213, 10426, 15639, 31278, 622793, 1245586, 1868379, 3736758, 8096309, 16192618, 24288927, 48577854, 249739993, 499479986, 749219979, 1498439958, 3246619909, 6493239818, 9739859727, 19479719454]

約数ペア:

[(1, 19479719454), (2, 9739859727), (3, 6493239818), (6, 3246619909), (13, 1498439958), (26, 749219979), (39, 499479986), (78, 249739993), (401, 48577854), (802, 24288927), (1203, 16192618), (2406, 8096309), (5213, 3736758), (10426, 1868379), (15639, 1245586), (31278, 622793)]