18812793

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 27432000

約数和(自身を除く): 8619207

約数列:

[1, 3, 19, 29, 57, 87, 361, 551, 599, 1083, 1653, 1797, 10469, 11381, 17371, 31407, 34143, 52113, 216239, 330049, 648717, 990147, 6270931, 18812793]

約数ペア:

[(1, 18812793), (3, 6270931), (19, 990147), (29, 648717), (57, 330049), (87, 216239), (361, 52113), (551, 34143), (599, 31407), (1083, 17371), (1653, 11381), (1797, 10469)]