18842990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 35195904

約数和(自身を除く): 16352914

約数列:

[1, 2, 5, 10, 37, 74, 127, 185, 254, 370, 401, 635, 802, 1270, 2005, 4010, 4699, 9398, 14837, 23495, 29674, 46990, 50927, 74185, 101854, 148370, 254635, 509270, 1884299, 3768598, 9421495, 18842990]

約数ペア:

[(1, 18842990), (2, 9421495), (5, 3768598), (10, 1884299), (37, 509270), (74, 254635), (127, 148370), (185, 101854), (254, 74185), (370, 50927), (401, 46990), (635, 29674), (802, 23495), (1270, 14837), (2005, 9398), (4010, 4699)]