3919412

素因数分解:

$2^2\times 7^2\times {\mathrm{19997}}^1$

素因数の和:20015

約数の個数: 18

約数和(自身を含む): 7979202

約数和(自身を除く): 4059790

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 19997, 39994, 79988, 139979, 279958, 559916, 979853, 1959706, 3919412]

約数ペア:

[(1, 3919412), (2, 1959706), (4, 979853), (7, 559916), (14, 279958), (28, 139979), (49, 79988), (98, 39994), (196, 19997)]