19871484

素因数分解:

$2^2\times 3^1\times {\mathrm{821}}^1\times {\mathrm{2017}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 46446288

約数和(自身を除く): 26574804

約数列:

[1, 2, 3, 4, 6, 12, 821, 1642, 2017, 2463, 3284, 4034, 4926, 6051, 8068, 9852, 12102, 24204, 1655957, 3311914, 4967871, 6623828, 9935742, 19871484]

約数ペア:

[(1, 19871484), (2, 9935742), (3, 6623828), (4, 4967871), (6, 3311914), (12, 1655957), (821, 24204), (1642, 12102), (2017, 9852), (2463, 8068), (3284, 6051), (4034, 4926)]