19210023

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4177}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 32153888

約数和(自身を除く): 12943865

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4177, 4599, 12531, 29239, 37593, 87717, 263151, 304921, 914763, 2134447, 2744289, 6403341, 19210023]

約数ペア:

[(1, 19210023), (3, 6403341), (7, 2744289), (9, 2134447), (21, 914763), (63, 304921), (73, 263151), (219, 87717), (511, 37593), (657, 29239), (1533, 12531), (4177, 4599)]