19431356

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16139}}^1$

素因数の和:16193

約数の個数: 24

約数和(自身を含む): 39768960

約数和(自身を除く): 20337604

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16139, 32278, 64556, 112973, 225946, 451892, 693977, 1387954, 2775908, 4857839, 9715678, 19431356]

約数ペア:

[(1, 19431356), (2, 9715678), (4, 4857839), (7, 2775908), (14, 1387954), (28, 693977), (43, 451892), (86, 225946), (172, 112973), (301, 64556), (602, 32278), (1204, 16139)]