18299295

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 37951056

約数和(自身を除く): 19651761

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 193, 215, 245, 301, 315, 387, 441, 579, 645, 735, 903, 965, 1351, 1505, 1737, 1935, 2107, 2205, 2709, 2895, 4053, 4515, 6321, 6755, 8299, 8685, 9457, 10535, 12159, 13545, 18963, 20265, 24897, 28371, 31605, 41495, 47285, 58093, 60795, 74691, 85113, 94815, 124485, 141855, 174279, 290465, 373455, 406651, 425565, 522837, 871395, 1219953, 2033255, 2614185, 3659859, 6099765, 18299295]

約数ペア:

[(1, 18299295), (3, 6099765), (5, 3659859), (7, 2614185), (9, 2033255), (15, 1219953), (21, 871395), (35, 522837), (43, 425565), (45, 406651), (49, 373455), (63, 290465), (105, 174279), (129, 141855), (147, 124485), (193, 94815), (215, 85113), (245, 74691), (301, 60795), (315, 58093), (387, 47285), (441, 41495), (579, 31605), (645, 28371), (735, 24897), (903, 20265), (965, 18963), (1351, 13545), (1505, 12159), (1737, 10535), (1935, 9457), (2107, 8685), (2205, 8299), (2709, 6755), (2895, 6321), (4053, 4515)]