19216918

素因数分解:

$2^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 34056000

約数和(自身を除く): 14839082

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 257, 343, 514, 686, 763, 1526, 1799, 3598, 5341, 10682, 12593, 25186, 28013, 37387, 56026, 74774, 88151, 176302, 196091, 392182, 1372637, 2745274, 9608459, 19216918]

約数ペア:

[(1, 19216918), (2, 9608459), (7, 2745274), (14, 1372637), (49, 392182), (98, 196091), (109, 176302), (218, 88151), (257, 74774), (343, 56026), (514, 37387), (686, 28013), (763, 25186), (1526, 12593), (1799, 10682), (3598, 5341)]