19425903

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1283}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 30446208

約数和(自身を除く): 11020305

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 1283, 2163, 3849, 5047, 8981, 15141, 26943, 62867, 132149, 188601, 396447, 925043, 2775129, 6475301, 19425903]

約数ペア:

[(1, 19425903), (3, 6475301), (7, 2775129), (21, 925043), (49, 396447), (103, 188601), (147, 132149), (309, 62867), (721, 26943), (1283, 15141), (2163, 8981), (3849, 5047)]