19509931

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2447}}^1$

素因数の和:2538

約数の個数: 16

約数和(自身を含む): 23970816

約数和(自身を除く): 4460885

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2447, 7973, 17129, 41599, 163949, 291193, 1147643, 2787133, 19509931]

約数ペア:

[(1, 19509931), (7, 2787133), (17, 1147643), (67, 291193), (119, 163949), (469, 41599), (1139, 17129), (2447, 7973)]