18214868

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{467}}^1$

素因数の和:684

約数の個数: 36

約数和(自身を含む): 37346400

約数和(自身を除く): 19131532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 467, 796, 934, 1393, 1868, 2786, 3269, 5572, 6538, 9751, 13076, 19502, 22883, 39004, 45766, 91532, 92933, 185866, 371732, 650531, 1301062, 2602124, 4553717, 9107434, 18214868]

約数ペア:

[(1, 18214868), (2, 9107434), (4, 4553717), (7, 2602124), (14, 1301062), (28, 650531), (49, 371732), (98, 185866), (196, 92933), (199, 91532), (398, 45766), (467, 39004), (796, 22883), (934, 19502), (1393, 13076), (1868, 9751), (2786, 6538), (3269, 5572)]