18159736

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3907}}^1$

素因数の和:4003

約数の個数: 32

約数和(自身を含む): 39392640

約数和(自身を除く): 21232904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 3907, 4648, 7814, 15628, 27349, 31256, 54698, 109396, 218792, 324281, 648562, 1297124, 2269967, 2594248, 4539934, 9079868, 18159736]

約数ペア:

[(1, 18159736), (2, 9079868), (4, 4539934), (7, 2594248), (8, 2269967), (14, 1297124), (28, 648562), (56, 324281), (83, 218792), (166, 109396), (332, 54698), (581, 31256), (664, 27349), (1162, 15628), (2324, 7814), (3907, 4648)]