18664308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 53508000

約数和(自身を除く): 34843692

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, 2099, 2223, 2964, 4198, 4446, 6297, 8396, 8892, 12594, 18891, 25188, 27287, 37782, 39881, 54574, 75564, 79762, 81861, 109148, 119643, 159524, 163722, 239286, 245583, 327444, 358929, 478572, 491166, 518453, 717858, 982332, 1036906, 1435716, 1555359, 2073812, 3110718, 4666077, 6221436, 9332154, 18664308]

約数ペア:

[(1, 18664308), (2, 9332154), (3, 6221436), (4, 4666077), (6, 3110718), (9, 2073812), (12, 1555359), (13, 1435716), (18, 1036906), (19, 982332), (26, 717858), (36, 518453), (38, 491166), (39, 478572), (52, 358929), (57, 327444), (76, 245583), (78, 239286), (114, 163722), (117, 159524), (156, 119643), (171, 109148), (228, 81861), (234, 79762), (247, 75564), (342, 54574), (468, 39881), (494, 37782), (684, 27287), (741, 25188), (988, 18891), (1482, 12594), (2099, 8892), (2223, 8396), (2964, 6297), (4198, 4446)]