18206720

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:163

約数の個数: 104

約数和(自身を含む): 50325504

約数和(自身を除く): 32118784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 280, 320, 448, 508, 512, 560, 635, 640, 889, 896, 1016, 1024, 1120, 1270, 1280, 1778, 1792, 2032, 2048, 2240, 2540, 2560, 3556, 3584, 4064, 4096, 4445, 4480, 5080, 5120, 7112, 7168, 8128, 8890, 8960, 10160, 10240, 14224, 14336, 16256, 17780, 17920, 20320, 20480, 28448, 28672, 32512, 35560, 35840, 40640, 56896, 65024, 71120, 71680, 81280, 113792, 130048, 142240, 143360, 162560, 227584, 260096, 284480, 325120, 455168, 520192, 568960, 650240, 910336, 1137920, 1300480, 1820672, 2275840, 2600960, 3641344, 4551680, 9103360, 18206720]

約数ペア:

[(1, 18206720), (2, 9103360), (4, 4551680), (5, 3641344), (7, 2600960), (8, 2275840), (10, 1820672), (14, 1300480), (16, 1137920), (20, 910336), (28, 650240), (32, 568960), (35, 520192), (40, 455168), (56, 325120), (64, 284480), (70, 260096), (80, 227584), (112, 162560), (127, 143360), (128, 142240), (140, 130048), (160, 113792), (224, 81280), (254, 71680), (256, 71120), (280, 65024), (320, 56896), (448, 40640), (508, 35840), (512, 35560), (560, 32512), (635, 28672), (640, 28448), (889, 20480), (896, 20320), (1016, 17920), (1024, 17780), (1120, 16256), (1270, 14336), (1280, 14224), (1778, 10240), (1792, 10160), (2032, 8960), (2048, 8890), (2240, 8128), (2540, 7168), (2560, 7112), (3556, 5120), (3584, 5080), (4064, 4480), (4096, 4445)]