18861008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16603}}^1$

素因数の和:16682

約数の個数: 20

約数和(自身を含む): 37060128

約数和(自身を除く): 18199120

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16603, 33206, 66412, 132824, 265648, 1178813, 2357626, 4715252, 9430504, 18861008]

約数ペア:

[(1, 18861008), (2, 9430504), (4, 4715252), (8, 2357626), (16, 1178813), (71, 265648), (142, 132824), (284, 66412), (568, 33206), (1136, 16603)]