1921820545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4593

約数の個数: 32

約数和(自身を含む): 2486951424

約数和(自身を除く): 565130879

約数列:

[1, 5, 23, 53, 71, 115, 265, 355, 1219, 1633, 3763, 4441, 6095, 8165, 18815, 22205, 86549, 102143, 235373, 315311, 432745, 510715, 1176865, 1576555, 5413579, 7252153, 16711483, 27067895, 36260765, 83557415, 384364109, 1921820545]

約数ペア:

[(1, 1921820545), (5, 384364109), (23, 83557415), (53, 36260765), (71, 27067895), (115, 16711483), (265, 7252153), (355, 5413579), (1219, 1576555), (1633, 1176865), (3763, 510715), (4441, 432745), (6095, 315311), (8165, 235373), (18815, 102143), (22205, 86549)]