18730214

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2159

約数の個数: 16

約数和(自身を含む): 29096448

約数和(自身を除く): 10366234

約数列:

[1, 2, 37, 74, 127, 254, 1993, 3986, 4699, 9398, 73741, 147482, 253111, 506222, 9365107, 18730214]

約数ペア:

[(1, 18730214), (2, 9365107), (37, 506222), (74, 253111), (127, 147482), (254, 73741), (1993, 9398), (3986, 4699)]