16511456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2131

約数の個数: 48

約数和(自身を含む): 36867600

約数和(自身を除く): 20356144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2089, 3952, 4178, 7904, 8356, 16712, 27157, 33424, 39691, 54314, 66848, 79382, 108628, 158764, 217256, 317528, 434512, 515983, 635056, 869024, 1031966, 1270112, 2063932, 4127864, 8255728, 16511456]

約数ペア:

[(1, 16511456), (2, 8255728), (4, 4127864), (8, 2063932), (13, 1270112), (16, 1031966), (19, 869024), (26, 635056), (32, 515983), (38, 434512), (52, 317528), (76, 217256), (104, 158764), (152, 108628), (208, 79382), (247, 66848), (304, 54314), (416, 39691), (494, 33424), (608, 27157), (988, 16712), (1976, 8356), (2089, 7904), (3952, 4178)]