18561104

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16339}}^1$

素因数の和:16418

約数の個数: 20

約数和(自身を含む): 36470880

約数和(自身を除く): 17909776

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16339, 32678, 65356, 130712, 261424, 1160069, 2320138, 4640276, 9280552, 18561104]

約数ペア:

[(1, 18561104), (2, 9280552), (4, 4640276), (8, 2320138), (16, 1160069), (71, 261424), (142, 130712), (284, 65356), (568, 32678), (1136, 16339)]