19800818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12391}}^1$

素因数の和:12457

約数の個数: 16

約数和(自身を含む): 32120064

約数和(自身を除く): 12319246

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12391, 24782, 210647, 421294, 582377, 1164754, 9900409, 19800818]

約数ペア:

[(1, 19800818), (2, 9900409), (17, 1164754), (34, 582377), (47, 421294), (94, 210647), (799, 24782), (1598, 12391)]