19665154

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1753}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 30309120

約数和(自身を除く): 10643966

約数列:

[1, 2, 71, 79, 142, 158, 1753, 3506, 5609, 11218, 124463, 138487, 248926, 276974, 9832577, 19665154]

約数ペア:

[(1, 19665154), (2, 9832577), (71, 276974), (79, 248926), (142, 138487), (158, 124463), (1753, 11218), (3506, 5609)]