19148481

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21491}}^1$

素因数の和:21514

約数の個数: 20

約数和(自身を含む): 31206384

約数和(自身を除く): 12057903

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21491, 64473, 193419, 236401, 580257, 709203, 1740771, 2127609, 6382827, 19148481]

約数ペア:

[(1, 19148481), (3, 6382827), (9, 2127609), (11, 1740771), (27, 709203), (33, 580257), (81, 236401), (99, 193419), (297, 64473), (891, 21491)]