19726953

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{631}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 27939456

約数和(自身を除く): 8212503

約数列:

[1, 3, 17, 51, 613, 631, 1839, 1893, 10421, 10727, 31263, 32181, 386803, 1160409, 6575651, 19726953]

約数ペア:

[(1, 19726953), (3, 6575651), (17, 1160409), (51, 386803), (613, 32181), (631, 31263), (1839, 10727), (1893, 10421)]