18609440

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 25807072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1087, 1712, 2140, 2174, 3424, 4280, 4348, 5435, 8560, 8696, 10870, 17120, 17392, 21740, 34784, 43480, 86960, 116309, 173920, 232618, 465236, 581545, 930472, 1163090, 1860944, 2326180, 3721888, 4652360, 9304720, 18609440]

約数ペア:

[(1, 18609440), (2, 9304720), (4, 4652360), (5, 3721888), (8, 2326180), (10, 1860944), (16, 1163090), (20, 930472), (32, 581545), (40, 465236), (80, 232618), (107, 173920), (160, 116309), (214, 86960), (428, 43480), (535, 34784), (856, 21740), (1070, 17392), (1087, 17120), (1712, 10870), (2140, 8696), (2174, 8560), (3424, 5435), (4280, 4348)]