19719513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 31318560

約数和(自身を除く): 11599047

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1433, 1529, 4299, 4587, 12897, 13761, 15763, 47289, 141867, 199187, 597561, 1792683, 2191057, 6573171, 19719513]

約数ペア:

[(1, 19719513), (3, 6573171), (9, 2191057), (11, 1792683), (33, 597561), (99, 199187), (139, 141867), (417, 47289), (1251, 15763), (1433, 13761), (1529, 12897), (4299, 4587)]