19356872

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 18201208

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 643, 1286, 2572, 3763, 5144, 7526, 15052, 30104, 34079, 45653, 68158, 91306, 136316, 182612, 272632, 365224, 2419609, 4839218, 9678436, 19356872]

約数ペア:

[(1, 19356872), (2, 9678436), (4, 4839218), (8, 2419609), (53, 365224), (71, 272632), (106, 182612), (142, 136316), (212, 91306), (284, 68158), (424, 45653), (568, 34079), (643, 30104), (1286, 15052), (2572, 7526), (3763, 5144)]