19665296

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2559

約数の個数: 40

約数和(自身を含む): 44175744

約数和(自身を除く): 24510448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2473, 3976, 4946, 7952, 9892, 17311, 19784, 34622, 39568, 69244, 138488, 175583, 276976, 351166, 702332, 1229081, 1404664, 2458162, 2809328, 4916324, 9832648, 19665296]

約数ペア:

[(1, 19665296), (2, 9832648), (4, 4916324), (7, 2809328), (8, 2458162), (14, 1404664), (16, 1229081), (28, 702332), (56, 351166), (71, 276976), (112, 175583), (142, 138488), (284, 69244), (497, 39568), (568, 34622), (994, 19784), (1136, 17311), (1988, 9892), (2473, 7952), (3976, 4946)]