19639204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1289}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 37167480

約数和(自身を除く): 17528276

約数列:

[1, 2, 4, 13, 26, 52, 293, 586, 1172, 1289, 2578, 3809, 5156, 7618, 15236, 16757, 33514, 67028, 377677, 755354, 1510708, 4909801, 9819602, 19639204]

約数ペア:

[(1, 19639204), (2, 9819602), (4, 4909801), (13, 1510708), (26, 755354), (52, 377677), (293, 67028), (586, 33514), (1172, 16757), (1289, 15236), (2578, 7618), (3809, 5156)]