18739612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 33979904

約数和(自身を除く): 15240292

約数列:

[1, 2, 4, 37, 74, 127, 148, 254, 508, 997, 1994, 3988, 4699, 9398, 18796, 36889, 73778, 126619, 147556, 253238, 506476, 4684903, 9369806, 18739612]

約数ペア:

[(1, 18739612), (2, 9369806), (4, 4684903), (37, 506476), (74, 253238), (127, 147556), (148, 126619), (254, 73778), (508, 36889), (997, 18796), (1994, 9398), (3988, 4699)]