18942112

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 43085952

約数和(自身を除く): 24143840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 821, 824, 1442, 1642, 1648, 2884, 3284, 3296, 5747, 5768, 6568, 11494, 11536, 13136, 22988, 23072, 26272, 45976, 84563, 91952, 169126, 183904, 338252, 591941, 676504, 1183882, 1353008, 2367764, 2706016, 4735528, 9471056, 18942112]

約数ペア:

[(1, 18942112), (2, 9471056), (4, 4735528), (7, 2706016), (8, 2367764), (14, 1353008), (16, 1183882), (28, 676504), (32, 591941), (56, 338252), (103, 183904), (112, 169126), (206, 91952), (224, 84563), (412, 45976), (721, 26272), (821, 23072), (824, 22988), (1442, 13136), (1642, 11536), (1648, 11494), (2884, 6568), (3284, 5768), (3296, 5747)]