19872130

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13337}}^1$

素因数の和:13493

約数の個数: 16

約数和(自身を含む): 36012600

約数和(自身を除く): 16140470

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13337, 26674, 66685, 133370, 1987213, 3974426, 9936065, 19872130]

約数ペア:

[(1, 19872130), (2, 9936065), (5, 3974426), (10, 1987213), (149, 133370), (298, 66685), (745, 26674), (1490, 13337)]