19814172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1697}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 53249280

約数和(自身を除く): 33435108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1697, 1946, 2919, 3394, 3892, 5091, 5838, 6788, 10182, 11676, 11879, 20364, 23758, 35637, 47516, 71274, 142548, 235883, 471766, 707649, 943532, 1415298, 1651181, 2830596, 3302362, 4953543, 6604724, 9907086, 19814172]

約数ペア:

[(1, 19814172), (2, 9907086), (3, 6604724), (4, 4953543), (6, 3302362), (7, 2830596), (12, 1651181), (14, 1415298), (21, 943532), (28, 707649), (42, 471766), (84, 235883), (139, 142548), (278, 71274), (417, 47516), (556, 35637), (834, 23758), (973, 20364), (1668, 11879), (1697, 11676), (1946, 10182), (2919, 6788), (3394, 5838), (3892, 5091)]