18288640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 104

約数和(自身を含む): 47180160

約数和(自身を除く): 28891520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 160, 188, 190, 235, 256, 304, 320, 376, 380, 470, 512, 608, 640, 752, 760, 893, 940, 1024, 1216, 1280, 1504, 1520, 1786, 1880, 2048, 2432, 2560, 3008, 3040, 3572, 3760, 4096, 4465, 4864, 5120, 6016, 6080, 7144, 7520, 8930, 9728, 10240, 12032, 12160, 14288, 15040, 17860, 19456, 20480, 24064, 24320, 28576, 30080, 35720, 38912, 48128, 48640, 57152, 60160, 71440, 77824, 96256, 97280, 114304, 120320, 142880, 192512, 194560, 228608, 240640, 285760, 389120, 457216, 481280, 571520, 914432, 962560, 1143040, 1828864, 2286080, 3657728, 4572160, 9144320, 18288640]

約数ペア:

[(1, 18288640), (2, 9144320), (4, 4572160), (5, 3657728), (8, 2286080), (10, 1828864), (16, 1143040), (19, 962560), (20, 914432), (32, 571520), (38, 481280), (40, 457216), (47, 389120), (64, 285760), (76, 240640), (80, 228608), (94, 194560), (95, 192512), (128, 142880), (152, 120320), (160, 114304), (188, 97280), (190, 96256), (235, 77824), (256, 71440), (304, 60160), (320, 57152), (376, 48640), (380, 48128), (470, 38912), (512, 35720), (608, 30080), (640, 28576), (752, 24320), (760, 24064), (893, 20480), (940, 19456), (1024, 17860), (1216, 15040), (1280, 14288), (1504, 12160), (1520, 12032), (1786, 10240), (1880, 9728), (2048, 8930), (2432, 7520), (2560, 7144), (3008, 6080), (3040, 6016), (3572, 5120), (3760, 4864), (4096, 4465)]