18693950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 38903760

約数和(自身を除く): 20209810

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 829, 902, 1025, 1658, 2050, 2255, 4145, 4510, 8290, 9119, 11275, 18238, 20725, 22550, 33989, 41450, 45595, 67978, 91190, 169945, 227975, 339890, 373879, 455950, 747758, 849725, 1699450, 1869395, 3738790, 9346975, 18693950]

約数ペア:

[(1, 18693950), (2, 9346975), (5, 3738790), (10, 1869395), (11, 1699450), (22, 849725), (25, 747758), (41, 455950), (50, 373879), (55, 339890), (82, 227975), (110, 169945), (205, 91190), (275, 67978), (410, 45595), (451, 41450), (550, 33989), (829, 22550), (902, 20725), (1025, 18238), (1658, 11275), (2050, 9119), (2255, 8290), (4145, 4510)]