18538044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 49728000

約数和(自身を除く): 31189956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1109, 1194, 1393, 2218, 2388, 2786, 3327, 4179, 4436, 5572, 6654, 7763, 8358, 13308, 15526, 16716, 23289, 31052, 46578, 93156, 220691, 441382, 662073, 882764, 1324146, 1544837, 2648292, 3089674, 4634511, 6179348, 9269022, 18538044]

約数ペア:

[(1, 18538044), (2, 9269022), (3, 6179348), (4, 4634511), (6, 3089674), (7, 2648292), (12, 1544837), (14, 1324146), (21, 882764), (28, 662073), (42, 441382), (84, 220691), (199, 93156), (398, 46578), (597, 31052), (796, 23289), (1109, 16716), (1194, 15526), (1393, 13308), (2218, 8358), (2388, 7763), (2786, 6654), (3327, 5572), (4179, 4436)]