19938498

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 41236800

約数和(自身を除く): 21298302

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 709, 1418, 2127, 4254, 4687, 9374, 14061, 28122, 30487, 60974, 77281, 91461, 154562, 182922, 231843, 463686, 3323083, 6646166, 9969249, 19938498]

約数ペア:

[(1, 19938498), (2, 9969249), (3, 6646166), (6, 3323083), (43, 463686), (86, 231843), (109, 182922), (129, 154562), (218, 91461), (258, 77281), (327, 60974), (654, 30487), (709, 28122), (1418, 14061), (2127, 9374), (4254, 4687)]