18309616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 41559840

約数和(自身を除く): 23250224

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 113, 152, 164, 208, 226, 247, 304, 328, 452, 494, 533, 656, 779, 904, 988, 1066, 1469, 1558, 1808, 1976, 2132, 2147, 2938, 3116, 3952, 4264, 4294, 4633, 5876, 6232, 8528, 8588, 9266, 10127, 11752, 12464, 17176, 18532, 20254, 23504, 27911, 34352, 37064, 40508, 55822, 60229, 74128, 81016, 88027, 111644, 120458, 162032, 176054, 223288, 240916, 352108, 446576, 481832, 704216, 963664, 1144351, 1408432, 2288702, 4577404, 9154808, 18309616]

約数ペア:

[(1, 18309616), (2, 9154808), (4, 4577404), (8, 2288702), (13, 1408432), (16, 1144351), (19, 963664), (26, 704216), (38, 481832), (41, 446576), (52, 352108), (76, 240916), (82, 223288), (104, 176054), (113, 162032), (152, 120458), (164, 111644), (208, 88027), (226, 81016), (247, 74128), (304, 60229), (328, 55822), (452, 40508), (494, 37064), (533, 34352), (656, 27911), (779, 23504), (904, 20254), (988, 18532), (1066, 17176), (1469, 12464), (1558, 11752), (1808, 10127), (1976, 9266), (2132, 8588), (2147, 8528), (2938, 6232), (3116, 5876), (3952, 4633), (4264, 4294)]