18339442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12764558

約数列:

[1, 2, 11, 22, 59, 71, 118, 142, 199, 398, 649, 781, 1298, 1562, 2189, 4189, 4378, 8378, 11741, 14129, 23482, 28258, 46079, 92158, 129151, 155419, 258302, 310838, 833611, 1667222, 9169721, 18339442]

約数ペア:

[(1, 18339442), (2, 9169721), (11, 1667222), (22, 833611), (59, 310838), (71, 258302), (118, 155419), (142, 129151), (199, 92158), (398, 46079), (649, 28258), (781, 23482), (1298, 14129), (1562, 11741), (2189, 8378), (4189, 4378)]