18890623836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{448879}}^1$

素因数の和:449063

約数の個数: 72

約数和(自身を含む): 54899819520

約数和(自身を除く): 36009195684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 167, 252, 334, 501, 668, 1002, 1169, 1503, 2004, 2338, 3006, 3507, 4676, 6012, 7014, 10521, 14028, 21042, 42084, 448879, 897758, 1346637, 1795516, 2693274, 3142153, 4039911, 5386548, 6284306, 8079822, 9426459, 12568612, 16159644, 18852918, 28279377, 37705836, 56558754, 74962793, 113117508, 149925586, 224888379, 299851172, 449776758, 524739551, 674665137, 899553516, 1049479102, 1349330274, 1574218653, 2098958204, 2698660548, 3148437306, 4722655959, 6296874612, 9445311918, 18890623836]

約数ペア:

[(1, 18890623836), (2, 9445311918), (3, 6296874612), (4, 4722655959), (6, 3148437306), (7, 2698660548), (9, 2098958204), (12, 1574218653), (14, 1349330274), (18, 1049479102), (21, 899553516), (28, 674665137), (36, 524739551), (42, 449776758), (63, 299851172), (84, 224888379), (126, 149925586), (167, 113117508), (252, 74962793), (334, 56558754), (501, 37705836), (668, 28279377), (1002, 18852918), (1169, 16159644), (1503, 12568612), (2004, 9426459), (2338, 8079822), (3006, 6284306), (3507, 5386548), (4676, 4039911), (6012, 3142153), (7014, 2693274), (10521, 1795516), (14028, 1346637), (21042, 897758), (42084, 448879)]