18009915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 19148997

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 155, 165, 217, 231, 341, 385, 465, 503, 651, 1023, 1085, 1155, 1509, 1705, 2387, 2515, 3255, 3521, 5115, 5533, 7161, 7545, 10563, 11935, 15593, 16599, 17605, 27665, 35805, 38731, 46779, 52815, 77965, 82995, 109151, 116193, 171523, 193655, 233895, 327453, 514569, 545755, 580965, 857615, 1200661, 1637265, 2572845, 3601983, 6003305, 18009915]

約数ペア:

[(1, 18009915), (3, 6003305), (5, 3601983), (7, 2572845), (11, 1637265), (15, 1200661), (21, 857615), (31, 580965), (33, 545755), (35, 514569), (55, 327453), (77, 233895), (93, 193655), (105, 171523), (155, 116193), (165, 109151), (217, 82995), (231, 77965), (341, 52815), (385, 46779), (465, 38731), (503, 35805), (651, 27665), (1023, 17605), (1085, 16599), (1155, 15593), (1509, 11935), (1705, 10563), (2387, 7545), (2515, 7161), (3255, 5533), (3521, 5115)]