18786684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 50489600

約数和(自身を除く): 31702916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1609, 1668, 1946, 2919, 3218, 3892, 4827, 5838, 6436, 9654, 11263, 11676, 19308, 22526, 33789, 45052, 67578, 135156, 223651, 447302, 670953, 894604, 1341906, 1565557, 2683812, 3131114, 4696671, 6262228, 9393342, 18786684]

約数ペア:

[(1, 18786684), (2, 9393342), (3, 6262228), (4, 4696671), (6, 3131114), (7, 2683812), (12, 1565557), (14, 1341906), (21, 894604), (28, 670953), (42, 447302), (84, 223651), (139, 135156), (278, 67578), (417, 45052), (556, 33789), (834, 22526), (973, 19308), (1609, 11676), (1668, 11263), (1946, 9654), (2919, 6436), (3218, 5838), (3892, 4827)]