18166288

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2735

約数の個数: 40

約数和(自身を含む): 40900160

約数和(自身を除く): 22733872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 2659, 3416, 5318, 6832, 10636, 18613, 21272, 37226, 42544, 74452, 148904, 162199, 297808, 324398, 648796, 1135393, 1297592, 2270786, 2595184, 4541572, 9083144, 18166288]

約数ペア:

[(1, 18166288), (2, 9083144), (4, 4541572), (7, 2595184), (8, 2270786), (14, 1297592), (16, 1135393), (28, 648796), (56, 324398), (61, 297808), (112, 162199), (122, 148904), (244, 74452), (427, 42544), (488, 37226), (854, 21272), (976, 18613), (1708, 10636), (2659, 6832), (3416, 5318)]