19971686

素因数分解:

$2^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1759}}^1$

素因数の和:2579

約数の個数: 16

約数和(自身を含む): 34298880

約数和(自身を除く): 14327194

約数列:

[1, 2, 7, 14, 811, 1622, 1759, 3518, 5677, 11354, 12313, 24626, 1426549, 2853098, 9985843, 19971686]

約数ペア:

[(1, 19971686), (2, 9985843), (7, 2853098), (14, 1426549), (811, 24626), (1622, 12313), (1759, 11354), (3518, 5677)]