19492837

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 24820992

約数和(自身を除く): 5328155

約数列:

[1, 7, 13, 49, 71, 91, 431, 497, 637, 923, 3017, 3479, 5603, 6461, 21119, 30601, 39221, 45227, 214207, 274547, 397813, 1499449, 2784691, 19492837]

約数ペア:

[(1, 19492837), (7, 2784691), (13, 1499449), (49, 397813), (71, 274547), (91, 214207), (431, 45227), (497, 39221), (637, 30601), (923, 21119), (3017, 6461), (3479, 5603)]