18998483

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 3811117

約数列:

[1, 7, 23, 161, 197, 599, 1379, 4193, 4531, 13777, 31717, 96439, 118003, 826021, 2714069, 18998483]

約数ペア:

[(1, 18998483), (7, 2714069), (23, 826021), (161, 118003), (197, 96439), (599, 31717), (1379, 13777), (4193, 4531)]