19703187

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18397}}^1$

素因数の和:18427

約数の個数: 24

約数和(自身を含む): 34441056

約数和(自身を除く): 14737869

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18397, 55191, 128779, 165573, 312749, 386337, 938247, 1159011, 2189243, 2814741, 6567729, 19703187]

約数ペア:

[(1, 19703187), (3, 6567729), (7, 2814741), (9, 2189243), (17, 1159011), (21, 938247), (51, 386337), (63, 312749), (119, 165573), (153, 128779), (357, 55191), (1071, 18397)]