18038986

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 32307840

約数和(自身を除く): 14268854

約数列:

[1, 2, 7, 14, 29, 58, 157, 203, 283, 314, 406, 566, 1099, 1981, 2198, 3962, 4553, 8207, 9106, 16414, 31871, 44431, 57449, 63742, 88862, 114898, 311017, 622034, 1288499, 2576998, 9019493, 18038986]

約数ペア:

[(1, 18038986), (2, 9019493), (7, 2576998), (14, 1288499), (29, 622034), (58, 311017), (157, 114898), (203, 88862), (283, 63742), (314, 57449), (406, 44431), (566, 31871), (1099, 16414), (1981, 9106), (2198, 8207), (3962, 4553)]