18165760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{887}}^1$

素因数の和:916

約数の個数: 52

約数和(自身を含む): 43641648

約数和(自身を除く): 25475888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 887, 1024, 1280, 1774, 2048, 2560, 3548, 4096, 4435, 5120, 7096, 8870, 10240, 14192, 17740, 20480, 28384, 35480, 56768, 70960, 113536, 141920, 227072, 283840, 454144, 567680, 908288, 1135360, 1816576, 2270720, 3633152, 4541440, 9082880, 18165760]

約数ペア:

[(1, 18165760), (2, 9082880), (4, 4541440), (5, 3633152), (8, 2270720), (10, 1816576), (16, 1135360), (20, 908288), (32, 567680), (40, 454144), (64, 283840), (80, 227072), (128, 141920), (160, 113536), (256, 70960), (320, 56768), (512, 35480), (640, 28384), (887, 20480), (1024, 17740), (1280, 14192), (1774, 10240), (2048, 8870), (2560, 7096), (3548, 5120), (4096, 4435)]