18856960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 88

約数和(自身を含む): 47162880

約数和(自身を除く): 28305920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 127, 128, 145, 160, 232, 254, 256, 290, 320, 464, 508, 512, 580, 635, 640, 928, 1016, 1024, 1160, 1270, 1280, 1856, 2032, 2320, 2540, 2560, 3683, 3712, 4064, 4640, 5080, 5120, 7366, 7424, 8128, 9280, 10160, 14732, 14848, 16256, 18415, 18560, 20320, 29464, 29696, 32512, 36830, 37120, 40640, 58928, 65024, 73660, 74240, 81280, 117856, 130048, 147320, 148480, 162560, 235712, 294640, 325120, 471424, 589280, 650240, 942848, 1178560, 1885696, 2357120, 3771392, 4714240, 9428480, 18856960]

約数ペア:

[(1, 18856960), (2, 9428480), (4, 4714240), (5, 3771392), (8, 2357120), (10, 1885696), (16, 1178560), (20, 942848), (29, 650240), (32, 589280), (40, 471424), (58, 325120), (64, 294640), (80, 235712), (116, 162560), (127, 148480), (128, 147320), (145, 130048), (160, 117856), (232, 81280), (254, 74240), (256, 73660), (290, 65024), (320, 58928), (464, 40640), (508, 37120), (512, 36830), (580, 32512), (635, 29696), (640, 29464), (928, 20320), (1016, 18560), (1024, 18415), (1160, 16256), (1270, 14848), (1280, 14732), (1856, 10160), (2032, 9280), (2320, 8128), (2540, 7424), (2560, 7366), (3683, 5120), (3712, 5080), (4064, 4640)]