18664065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 37285248

約数和(自身を除く): 18621183

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 193, 307, 315, 579, 921, 965, 1351, 1535, 1737, 2149, 2763, 2895, 4053, 4605, 6447, 6755, 8685, 10745, 12159, 13815, 19341, 20265, 32235, 59251, 60795, 96705, 177753, 296255, 414757, 533259, 888765, 1244271, 2073785, 2666295, 3732813, 6221355, 18664065]

約数ペア:

[(1, 18664065), (3, 6221355), (5, 3732813), (7, 2666295), (9, 2073785), (15, 1244271), (21, 888765), (35, 533259), (45, 414757), (63, 296255), (105, 177753), (193, 96705), (307, 60795), (315, 59251), (579, 32235), (921, 20265), (965, 19341), (1351, 13815), (1535, 12159), (1737, 10745), (2149, 8685), (2763, 6755), (2895, 6447), (4053, 4605)]