18424196

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 40372416

約数和(自身を除く): 21948220

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 61, 67, 92, 98, 122, 134, 161, 196, 244, 268, 322, 427, 469, 644, 854, 938, 1127, 1403, 1541, 1708, 1876, 2254, 2806, 2989, 3082, 3283, 4087, 4508, 5612, 5978, 6164, 6566, 8174, 9821, 10787, 11956, 13132, 16348, 19642, 21574, 28609, 39284, 43148, 57218, 68747, 75509, 94001, 114436, 137494, 151018, 188002, 200263, 274988, 302036, 376004, 400526, 658007, 801052, 1316014, 2632028, 4606049, 9212098, 18424196]

約数ペア:

[(1, 18424196), (2, 9212098), (4, 4606049), (7, 2632028), (14, 1316014), (23, 801052), (28, 658007), (46, 400526), (49, 376004), (61, 302036), (67, 274988), (92, 200263), (98, 188002), (122, 151018), (134, 137494), (161, 114436), (196, 94001), (244, 75509), (268, 68747), (322, 57218), (427, 43148), (469, 39284), (644, 28609), (854, 21574), (938, 19642), (1127, 16348), (1403, 13132), (1541, 11956), (1708, 10787), (1876, 9821), (2254, 8174), (2806, 6566), (2989, 6164), (3082, 5978), (3283, 5612), (4087, 4508)]