18513712

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7187}}^1$

素因数の和:7225

約数の個数: 40

約数和(自身を含む): 42782976

約数和(自身を除く): 24269264

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7187, 14374, 28748, 50309, 57496, 100618, 114992, 165301, 201236, 330602, 402472, 661204, 804944, 1157107, 1322408, 2314214, 2644816, 4628428, 9256856, 18513712]

約数ペア:

[(1, 18513712), (2, 9256856), (4, 4628428), (7, 2644816), (8, 2314214), (14, 1322408), (16, 1157107), (23, 804944), (28, 661204), (46, 402472), (56, 330602), (92, 201236), (112, 165301), (161, 114992), (184, 100618), (322, 57496), (368, 50309), (644, 28748), (1288, 14374), (2576, 7187)]