19957282

素因数分解:

$2^1\times {\mathrm{37}}^3\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 30923640

約数和(自身を除く): 10966358

約数列:

[1, 2, 37, 74, 197, 394, 1369, 2738, 7289, 14578, 50653, 101306, 269693, 539386, 9978641, 19957282]

約数ペア:

[(1, 19957282), (2, 9978641), (37, 539386), (74, 269693), (197, 101306), (394, 50653), (1369, 14578), (2738, 7289)]