19493682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 22660878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 491, 509, 982, 1018, 1473, 1527, 2946, 3054, 6383, 6617, 12766, 13234, 19149, 19851, 38298, 39702, 249919, 499838, 749757, 1499514, 3248947, 6497894, 9746841, 19493682]

約数ペア:

[(1, 19493682), (2, 9746841), (3, 6497894), (6, 3248947), (13, 1499514), (26, 749757), (39, 499838), (78, 249919), (491, 39702), (509, 38298), (982, 19851), (1018, 19149), (1473, 13234), (1527, 12766), (2946, 6617), (3054, 6383)]