19013787

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 29788304

約数和(自身を除く): 10774517

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 997, 1467, 2119, 2991, 6357, 8973, 12961, 19071, 38883, 116649, 162511, 487533, 1462599, 2112643, 6337929, 19013787]

約数ペア:

[(1, 19013787), (3, 6337929), (9, 2112643), (13, 1462599), (39, 487533), (117, 162511), (163, 116649), (489, 38883), (997, 19071), (1467, 12961), (2119, 8973), (2991, 6357)]