19941266

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 30634200

約数和(自身を除く): 10692934

約数列:

[1, 2, 61, 122, 149, 298, 1097, 2194, 9089, 18178, 66917, 133834, 163453, 326906, 9970633, 19941266]

約数ペア:

[(1, 19941266), (2, 9970633), (61, 326906), (122, 163453), (149, 133834), (298, 66917), (1097, 18178), (2194, 9089)]