19483040

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 26820448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 463, 526, 926, 1052, 1315, 1852, 2104, 2315, 2630, 3704, 4208, 4630, 5260, 7408, 8416, 9260, 10520, 14816, 18520, 21040, 37040, 42080, 74080, 121769, 243538, 487076, 608845, 974152, 1217690, 1948304, 2435380, 3896608, 4870760, 9741520, 19483040]

約数ペア:

[(1, 19483040), (2, 9741520), (4, 4870760), (5, 3896608), (8, 2435380), (10, 1948304), (16, 1217690), (20, 974152), (32, 608845), (40, 487076), (80, 243538), (160, 121769), (263, 74080), (463, 42080), (526, 37040), (926, 21040), (1052, 18520), (1315, 14816), (1852, 10520), (2104, 9260), (2315, 8416), (2630, 7408), (3704, 5260), (4208, 4630)]