18999057

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7477}}^1$

素因数の和:7509

約数の個数: 24

約数和(自身を含む): 31826368

約数和(自身を除く): 12827311

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7477, 22431, 52339, 82247, 157017, 246741, 575729, 904717, 1727187, 2714151, 6333019, 18999057]

約数ペア:

[(1, 18999057), (3, 6333019), (7, 2714151), (11, 1727187), (21, 904717), (33, 575729), (77, 246741), (121, 157017), (231, 82247), (363, 52339), (847, 22431), (2541, 7477)]