18727274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 30866880

約数和(自身を除く): 12139606

約数列:

[1, 2, 19, 38, 43, 73, 86, 146, 157, 314, 817, 1387, 1634, 2774, 2983, 3139, 5966, 6278, 6751, 11461, 13502, 22922, 59641, 119282, 128269, 217759, 256538, 435518, 492823, 985646, 9363637, 18727274]

約数ペア:

[(1, 18727274), (2, 9363637), (19, 985646), (38, 492823), (43, 435518), (73, 256538), (86, 217759), (146, 128269), (157, 119282), (314, 59641), (817, 22922), (1387, 13502), (1634, 11461), (2774, 6751), (2983, 6278), (3139, 5966)]