18940145

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4261}}^1$

素因数の和:4400

約数の個数: 16

約数和(自身を含む): 26185728

約数和(自身を除く): 7245583

約数列:

[1, 5, 7, 35, 127, 635, 889, 4261, 4445, 21305, 29827, 149135, 541147, 2705735, 3788029, 18940145]

約数ペア:

[(1, 18940145), (5, 3788029), (7, 2705735), (35, 541147), (127, 149135), (635, 29827), (889, 21305), (4261, 4445)]