18100976

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 36091440

約数和(自身を除く): 17990464

約数列:

[1, 2, 4, 8, 16, 97, 107, 109, 194, 214, 218, 388, 428, 436, 776, 856, 872, 1552, 1712, 1744, 10379, 10573, 11663, 20758, 21146, 23326, 41516, 42292, 46652, 83032, 84584, 93304, 166064, 169168, 186608, 1131311, 2262622, 4525244, 9050488, 18100976]

約数ペア:

[(1, 18100976), (2, 9050488), (4, 4525244), (8, 2262622), (16, 1131311), (97, 186608), (107, 169168), (109, 166064), (194, 93304), (214, 84584), (218, 83032), (388, 46652), (428, 42292), (436, 41516), (776, 23326), (856, 21146), (872, 20758), (1552, 11663), (1712, 10573), (1744, 10379)]