18223226

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 32563200

約数和(自身を除く): 14339974

約数列:

[1, 2, 7, 14, 31, 62, 199, 211, 217, 398, 422, 434, 1393, 1477, 2786, 2954, 6169, 6541, 12338, 13082, 41989, 43183, 45787, 83978, 86366, 91574, 293923, 587846, 1301659, 2603318, 9111613, 18223226]

約数ペア:

[(1, 18223226), (2, 9111613), (7, 2603318), (14, 1301659), (31, 587846), (62, 293923), (199, 91574), (211, 86366), (217, 83978), (398, 45787), (422, 43183), (434, 41989), (1393, 13082), (1477, 12338), (2786, 6541), (2954, 6169)]