18263870

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 15494338

約数列:

[1, 2, 5, 10, 73, 127, 146, 197, 254, 365, 394, 635, 730, 985, 1270, 1970, 9271, 14381, 18542, 25019, 28762, 46355, 50038, 71905, 92710, 125095, 143810, 250190, 1826387, 3652774, 9131935, 18263870]

約数ペア:

[(1, 18263870), (2, 9131935), (5, 3652774), (10, 1826387), (73, 250190), (127, 143810), (146, 125095), (197, 92710), (254, 71905), (365, 50038), (394, 46355), (635, 28762), (730, 25019), (985, 18542), (1270, 14381), (1970, 9271)]