18308628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 36728172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 29, 36, 38, 39, 52, 57, 58, 71, 76, 78, 87, 114, 116, 117, 142, 156, 171, 174, 213, 228, 234, 247, 261, 284, 342, 348, 377, 426, 468, 494, 522, 551, 639, 684, 741, 754, 852, 923, 988, 1044, 1102, 1131, 1278, 1349, 1482, 1508, 1653, 1846, 2059, 2204, 2223, 2262, 2556, 2698, 2769, 2964, 3306, 3393, 3692, 4047, 4118, 4446, 4524, 4959, 5396, 5538, 6177, 6612, 6786, 7163, 8094, 8236, 8307, 8892, 9918, 11076, 12141, 12354, 13572, 14326, 16188, 16614, 17537, 18531, 19836, 21489, 24282, 24708, 26767, 28652, 33228, 35074, 37062, 39121, 42978, 48564, 52611, 53534, 64467, 70148, 74124, 78242, 80301, 85956, 105222, 107068, 117363, 128934, 156484, 157833, 160602, 210444, 234726, 240903, 257868, 315666, 321204, 352089, 469452, 481806, 508573, 631332, 704178, 963612, 1017146, 1408356, 1525719, 2034292, 3051438, 4577157, 6102876, 9154314, 18308628]

約数ペア:

[(1, 18308628), (2, 9154314), (3, 6102876), (4, 4577157), (6, 3051438), (9, 2034292), (12, 1525719), (13, 1408356), (18, 1017146), (19, 963612), (26, 704178), (29, 631332), (36, 508573), (38, 481806), (39, 469452), (52, 352089), (57, 321204), (58, 315666), (71, 257868), (76, 240903), (78, 234726), (87, 210444), (114, 160602), (116, 157833), (117, 156484), (142, 128934), (156, 117363), (171, 107068), (174, 105222), (213, 85956), (228, 80301), (234, 78242), (247, 74124), (261, 70148), (284, 64467), (342, 53534), (348, 52611), (377, 48564), (426, 42978), (468, 39121), (494, 37062), (522, 35074), (551, 33228), (639, 28652), (684, 26767), (741, 24708), (754, 24282), (852, 21489), (923, 19836), (988, 18531), (1044, 17537), (1102, 16614), (1131, 16188), (1278, 14326), (1349, 13572), (1482, 12354), (1508, 12141), (1653, 11076), (1846, 9918), (2059, 8892), (2204, 8307), (2223, 8236), (2262, 8094), (2556, 7163), (2698, 6786), (2769, 6612), (2964, 6177), (3306, 5538), (3393, 5396), (3692, 4959), (4047, 4524), (4118, 4446)]