19871866

素因数分解:

$2^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{3079}}^1$

素因数の和:3549

約数の個数: 16

約数和(自身を含む): 34151040

約数和(自身を除く): 14279174

約数列:

[1, 2, 7, 14, 461, 922, 3079, 3227, 6158, 6454, 21553, 43106, 1419419, 2838838, 9935933, 19871866]

約数ペア:

[(1, 19871866), (2, 9935933), (7, 2838838), (14, 1419419), (461, 43106), (922, 21553), (3079, 6454), (3227, 6158)]