19743568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4127}}^1$

素因数の和:4171

約数の個数: 40

約数和(自身を含む): 42997248

約数和(自身を除く): 23253680

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4127, 4784, 8254, 16508, 33016, 53651, 66032, 94921, 107302, 189842, 214604, 379684, 429208, 759368, 858416, 1233973, 1518736, 2467946, 4935892, 9871784, 19743568]

約数ペア:

[(1, 19743568), (2, 9871784), (4, 4935892), (8, 2467946), (13, 1518736), (16, 1233973), (23, 858416), (26, 759368), (46, 429208), (52, 379684), (92, 214604), (104, 189842), (184, 107302), (208, 94921), (299, 66032), (368, 53651), (598, 33016), (1196, 16508), (2392, 8254), (4127, 4784)]