18735040

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:605

約数の個数: 56

約数和(自身を含む): 45061632

約数和(自身を除く): 26326592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 461, 508, 635, 922, 1016, 1270, 1844, 2032, 2305, 2540, 3688, 4064, 4610, 5080, 7376, 8128, 9220, 10160, 14752, 18440, 20320, 29504, 36880, 40640, 58547, 73760, 117094, 147520, 234188, 292735, 468376, 585470, 936752, 1170940, 1873504, 2341880, 3747008, 4683760, 9367520, 18735040]

約数ペア:

[(1, 18735040), (2, 9367520), (4, 4683760), (5, 3747008), (8, 2341880), (10, 1873504), (16, 1170940), (20, 936752), (32, 585470), (40, 468376), (64, 292735), (80, 234188), (127, 147520), (160, 117094), (254, 73760), (320, 58547), (461, 40640), (508, 36880), (635, 29504), (922, 20320), (1016, 18440), (1270, 14752), (1844, 10160), (2032, 9220), (2305, 8128), (2540, 7376), (3688, 5080), (4064, 4610)]