18772684

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:179

約数の個数: 54

約数和(自身を含む): 40801740

約数和(自身を除く): 22029056

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 71, 76, 98, 133, 142, 196, 266, 284, 497, 532, 931, 994, 1349, 1862, 1988, 2698, 3479, 3724, 5041, 5396, 6958, 9443, 10082, 13916, 18886, 20164, 35287, 37772, 66101, 70574, 95779, 132202, 141148, 191558, 247009, 264404, 383116, 494018, 670453, 988036, 1340906, 2681812, 4693171, 9386342, 18772684]

約数ペア:

[(1, 18772684), (2, 9386342), (4, 4693171), (7, 2681812), (14, 1340906), (19, 988036), (28, 670453), (38, 494018), (49, 383116), (71, 264404), (76, 247009), (98, 191558), (133, 141148), (142, 132202), (196, 95779), (266, 70574), (284, 66101), (497, 37772), (532, 35287), (931, 20164), (994, 18886), (1349, 13916), (1862, 10082), (1988, 9443), (2698, 6958), (3479, 5396), (3724, 5041)]