19747076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{347}}^2$

素因数の和:739

約数の個数: 18

約数和(自身を含む): 35502558

約数和(自身を除く): 15755482

約数列:

[1, 2, 4, 41, 82, 164, 347, 694, 1388, 14227, 28454, 56908, 120409, 240818, 481636, 4936769, 9873538, 19747076]

約数ペア:

[(1, 19747076), (2, 9873538), (4, 4936769), (41, 481636), (82, 240818), (164, 120409), (347, 56908), (694, 28454), (1388, 14227)]