18557604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2129

約数の個数: 72

約数和(自身を含む): 53202240

約数和(自身を除く): 34644636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2087, 2223, 2964, 4174, 4446, 6261, 8348, 8892, 12522, 18783, 25044, 27131, 37566, 39653, 54262, 75132, 79306, 81393, 108524, 118959, 158612, 162786, 237918, 244179, 325572, 356877, 475836, 488358, 515489, 713754, 976716, 1030978, 1427508, 1546467, 2061956, 3092934, 4639401, 6185868, 9278802, 18557604]

約数ペア:

[(1, 18557604), (2, 9278802), (3, 6185868), (4, 4639401), (6, 3092934), (9, 2061956), (12, 1546467), (13, 1427508), (18, 1030978), (19, 976716), (26, 713754), (36, 515489), (38, 488358), (39, 475836), (52, 356877), (57, 325572), (76, 244179), (78, 237918), (114, 162786), (117, 158612), (156, 118959), (171, 108524), (228, 81393), (234, 79306), (247, 75132), (342, 54262), (468, 39653), (494, 37566), (684, 27131), (741, 25044), (988, 18783), (1482, 12522), (2087, 8892), (2223, 8348), (2964, 6261), (4174, 4446)]