19953258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 43146432

約数和(自身を除く): 23193174

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 491, 521, 982, 1042, 1473, 1563, 2946, 3126, 6383, 6773, 12766, 13546, 19149, 20319, 38298, 40638, 255811, 511622, 767433, 1534866, 3325543, 6651086, 9976629, 19953258]

約数ペア:

[(1, 19953258), (2, 9976629), (3, 6651086), (6, 3325543), (13, 1534866), (26, 767433), (39, 511622), (78, 255811), (491, 40638), (521, 38298), (982, 20319), (1042, 19149), (1473, 13546), (1563, 12766), (2946, 6773), (3126, 6383)]