19870161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2333}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 28232064

約数和(自身を除く): 8361903

約数列:

[1, 3, 17, 51, 167, 501, 2333, 2839, 6999, 8517, 39661, 118983, 389611, 1168833, 6623387, 19870161]

約数ペア:

[(1, 19870161), (3, 6623387), (17, 1168833), (51, 389611), (167, 118983), (501, 39661), (2333, 8517), (2839, 6999)]