15520806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 38688000

約数和(自身を除く): 23167194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 199, 398, 597, 619, 1194, 1238, 1393, 1791, 1857, 2786, 3582, 3714, 4179, 4333, 5571, 8358, 8666, 11142, 12537, 12999, 25074, 25998, 38997, 77994, 123181, 246362, 369543, 739086, 862267, 1108629, 1724534, 2217258, 2586801, 5173602, 7760403, 15520806]

約数ペア:

[(1, 15520806), (2, 7760403), (3, 5173602), (6, 2586801), (7, 2217258), (9, 1724534), (14, 1108629), (18, 862267), (21, 739086), (42, 369543), (63, 246362), (126, 123181), (199, 77994), (398, 38997), (597, 25998), (619, 25074), (1194, 12999), (1238, 12537), (1393, 11142), (1791, 8666), (1857, 8358), (2786, 5571), (3582, 4333), (3714, 4179)]