19804888

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 37992960

約数和(自身を除く): 18188072

約数列:

[1, 2, 4, 8, 101, 127, 193, 202, 254, 386, 404, 508, 772, 808, 1016, 1544, 12827, 19493, 24511, 25654, 38986, 49022, 51308, 77972, 98044, 102616, 155944, 196088, 2475611, 4951222, 9902444, 19804888]

約数ペア:

[(1, 19804888), (2, 9902444), (4, 4951222), (8, 2475611), (101, 196088), (127, 155944), (193, 102616), (202, 98044), (254, 77972), (386, 51308), (404, 49022), (508, 38986), (772, 25654), (808, 24511), (1016, 19493), (1544, 12827)]