19420888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1907}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 38923200

約数和(自身を除く): 19502312

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 1907, 2546, 3814, 5092, 7628, 10184, 15256, 36233, 72466, 127769, 144932, 255538, 289864, 511076, 1022152, 2427611, 4855222, 9710444, 19420888]

約数ペア:

[(1, 19420888), (2, 9710444), (4, 4855222), (8, 2427611), (19, 1022152), (38, 511076), (67, 289864), (76, 255538), (134, 144932), (152, 127769), (268, 72466), (536, 36233), (1273, 15256), (1907, 10184), (2546, 7628), (3814, 5092)]