19810763

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 24099264

約数和(自身を除く): 4288501

約数列:

[1, 7, 17, 119, 277, 601, 1939, 4207, 4709, 10217, 32963, 71519, 166477, 1165339, 2830109, 19810763]

約数ペア:

[(1, 19810763), (7, 2830109), (17, 1165339), (119, 166477), (277, 71519), (601, 32963), (1939, 10217), (4207, 4709)]