18785528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1693}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 37606800

約数和(自身を除く): 18821272

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1693, 2774, 3386, 5548, 6772, 11096, 13544, 32167, 64334, 123589, 128668, 247178, 257336, 494356, 988712, 2348191, 4696382, 9392764, 18785528]

約数ペア:

[(1, 18785528), (2, 9392764), (4, 4696382), (8, 2348191), (19, 988712), (38, 494356), (73, 257336), (76, 247178), (146, 128668), (152, 123589), (292, 64334), (584, 32167), (1387, 13544), (1693, 11096), (2774, 6772), (3386, 5548)]