19519610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 39884832

約数和(自身を除く): 20365222

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 211, 290, 319, 422, 638, 841, 1055, 1595, 1682, 2110, 2321, 3190, 4205, 4642, 6119, 8410, 9251, 11605, 12238, 18502, 23210, 30595, 46255, 61190, 67309, 92510, 134618, 177451, 336545, 354902, 673090, 887255, 1774510, 1951961, 3903922, 9759805, 19519610]

約数ペア:

[(1, 19519610), (2, 9759805), (5, 3903922), (10, 1951961), (11, 1774510), (22, 887255), (29, 673090), (55, 354902), (58, 336545), (110, 177451), (145, 134618), (211, 92510), (290, 67309), (319, 61190), (422, 46255), (638, 30595), (841, 23210), (1055, 18502), (1595, 12238), (1682, 11605), (2110, 9251), (2321, 8410), (3190, 6119), (4205, 4642)]