18320445

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 39000960

約数和(自身を除く): 20680515

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 73, 99, 117, 135, 143, 165, 169, 195, 219, 297, 351, 365, 429, 495, 507, 585, 657, 715, 803, 845, 949, 1095, 1287, 1485, 1521, 1755, 1859, 1971, 2145, 2409, 2535, 2847, 3285, 3861, 4015, 4563, 4745, 5577, 6435, 7227, 7605, 8541, 9295, 9855, 10439, 12045, 12337, 14235, 16731, 19305, 21681, 22815, 25623, 27885, 31317, 36135, 37011, 42705, 50193, 52195, 61685, 83655, 93951, 108405, 111033, 128115, 135707, 156585, 185055, 250965, 281853, 333099, 407121, 469755, 555165, 678535, 1221363, 1409265, 1665495, 2035605, 3664089, 6106815, 18320445]

約数ペア:

[(1, 18320445), (3, 6106815), (5, 3664089), (9, 2035605), (11, 1665495), (13, 1409265), (15, 1221363), (27, 678535), (33, 555165), (39, 469755), (45, 407121), (55, 333099), (65, 281853), (73, 250965), (99, 185055), (117, 156585), (135, 135707), (143, 128115), (165, 111033), (169, 108405), (195, 93951), (219, 83655), (297, 61685), (351, 52195), (365, 50193), (429, 42705), (495, 37011), (507, 36135), (585, 31317), (657, 27885), (715, 25623), (803, 22815), (845, 21681), (949, 19305), (1095, 16731), (1287, 14235), (1485, 12337), (1521, 12045), (1755, 10439), (1859, 9855), (1971, 9295), (2145, 8541), (2409, 7605), (2535, 7227), (2847, 6435), (3285, 5577), (3861, 4745), (4015, 4563)]