18739432

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 17260568

約数列:

[1, 2, 4, 8, 79, 149, 158, 199, 298, 316, 398, 596, 632, 796, 1192, 1592, 11771, 15721, 23542, 29651, 31442, 47084, 59302, 62884, 94168, 118604, 125768, 237208, 2342429, 4684858, 9369716, 18739432]

約数ペア:

[(1, 18739432), (2, 9369716), (4, 4684858), (8, 2342429), (79, 237208), (149, 125768), (158, 118604), (199, 94168), (298, 62884), (316, 59302), (398, 47084), (596, 31442), (632, 29651), (796, 23542), (1192, 15721), (1592, 11771)]