19715848

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 37964160

約数和(自身を除く): 18248312

約数列:

[1, 2, 4, 8, 71, 103, 142, 206, 284, 337, 412, 568, 674, 824, 1348, 2696, 7313, 14626, 23927, 29252, 34711, 47854, 58504, 69422, 95708, 138844, 191416, 277688, 2464481, 4928962, 9857924, 19715848]

約数ペア:

[(1, 19715848), (2, 9857924), (4, 4928962), (8, 2464481), (71, 277688), (103, 191416), (142, 138844), (206, 95708), (284, 69422), (337, 58504), (412, 47854), (568, 34711), (674, 29252), (824, 23927), (1348, 14626), (2696, 7313)]