19847308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3779}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 37784880

約数和(自身を除く): 17937572

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3779, 5252, 7558, 15116, 49127, 98254, 196508, 381679, 763358, 1526716, 4961827, 9923654, 19847308]

約数ペア:

[(1, 19847308), (2, 9923654), (4, 4961827), (13, 1526716), (26, 763358), (52, 381679), (101, 196508), (202, 98254), (404, 49127), (1313, 15116), (2626, 7558), (3779, 5252)]