18408014779

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 23639696640

約数和(自身を除く): 5231681861

約数列:

[1, 7, 11, 49, 77, 139, 277, 539, 887, 973, 1529, 1939, 3047, 6209, 6811, 9757, 10703, 13573, 21329, 38503, 43463, 68299, 74921, 123293, 149303, 245699, 269521, 423533, 478093, 863051, 1356223, 1719893, 1886647, 2702689, 2964731, 6041357, 9493561, 12039251, 18918823, 20753117, 34152161, 66454927, 132431761, 239065127, 375673771, 1673455889, 2629716397, 18408014779]

約数ペア:

[(1, 18408014779), (7, 2629716397), (11, 1673455889), (49, 375673771), (77, 239065127), (139, 132431761), (277, 66454927), (539, 34152161), (887, 20753117), (973, 18918823), (1529, 12039251), (1939, 9493561), (3047, 6041357), (6209, 2964731), (6811, 2702689), (9757, 1886647), (10703, 1719893), (13573, 1356223), (21329, 863051), (38503, 478093), (43463, 423533), (68299, 269521), (74921, 245699), (123293, 149303)]